CN107574933A - A kind of staircase structure Self-resetting rolling ball isolation bearing - Google Patents
A kind of staircase structure Self-resetting rolling ball isolation bearing Download PDFInfo
- Publication number
- CN107574933A CN107574933A CN201710908443.4A CN201710908443A CN107574933A CN 107574933 A CN107574933 A CN 107574933A CN 201710908443 A CN201710908443 A CN 201710908443A CN 107574933 A CN107574933 A CN 107574933A
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- plate
- bottom plate
- rolling ball
- cover plate
- staircase structure
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- 238000005096 rolling process Methods 0.000 title claims abstract description 31
- 238000002955 isolation Methods 0.000 title claims abstract description 30
- 238000009413 insulation Methods 0.000 claims abstract description 18
- 238000010276 construction Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000000945 filler Substances 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 12
- 238000013461 design Methods 0.000 abstract description 11
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Steps, Ramps, And Handrails (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The present invention provides a kind of staircase structure Self-resetting rolling ball isolation bearing：Including the bottom plate being oppositely arranged and cover plate, the lower connecting plate being connected with bottom plate, the upper junction plate being connected with cover plate and the arc groove being respectively arranged on bottom plate and cover plate, the bottom plate and cover plate are separated by rigid spin between arc groove, and the edge of arc groove is located at below the surface of bottom plate and cover plate.One aspect of the present invention ensures that the slip of big displacement will not occur during stair gangboard earthquake, more will not fall off；On the other hand, rolling ball rolls play function of shock insulation, can effectively reduce effect of the earthquake to agent structure, mitigate the earthquake of staircase structure, while the presence of arc groove causes spin to have certain runback bit function under gravity.The present invention is simple in construction, design and construction are convenient, cheap, can accomplish safety and economy and deposit.
Description
Technical field
The invention belongs to Anti-quake Architectural Structure Design technical field, is related to a kind of staircase structure Self-resetting rolling ball isolation branch
Seat.
Background technology
Earthquake disaster shows that frame structure staircase destroys seriously in earthquake, can cause great casualties and property
Loss.In order to mitigate staircase structure earthquake, when carrying out staircase structure Aseismic Design, generally between gangboard and its lower end ladder beam
Sliding support is set, allows swash plate slidably, to lay down " bridging effect " under its geological process in the horizontal direction, weaken cast-in-place steel
Adverse effect of the reinforced concrete stair to frame clsss agent structure anti-seismic performance.Conventional sliding support way is marked for country's building
The suggestion way of quasi- design atlas (16G101-2), the pedestal configurations are simple, and only gangboard is shelved on terraced beam, equivalent to only about
Its free degree vertically downwards of beam, the free degree in other directions is unconstrained, and this seriously reduces the constraint redundancy of staircase structure
Degree, gangboard during big shake generation is caused to still have the risk slided and come off.
In order to improve the security of sliding support, at present there is also the Flexible Sliding bearing such as General Purpose Rubber, but its presence adds
The shortcomings of work complex process, durability are poor, function is single, cost is higher.Moreover, such sliding support does not all have certainly mostly
Reset function, the recovery capability of structure after shake is not accounted for, difficulty is caused to calamity post-reinforcing reparation.It presently, there are simultaneously all kinds of
The bearing capacity of sliding support itself is limited, and earthquake is destroyed, it is necessary to change in time mostly later, and replacing time difficulty of construction
Greatly, it is uneconomical.So urgent need one kind is safe at present, durability is strong, damping effect is obvious, itself will not send out in seismic process
The raw Self-resetting shock isolating pedestal destroyed.
The way using rolling ball isolation in isolation seism building base be present, but basic rolling ball isolation without Self-resetting and
Cross spacing function, Self-resetting can not be taken into account and slide spacing requirement.Although it has been proposed that by setting spring, steel plate etc. to consume energy
Device comes spacing, but spacing while, these devices also limit the effect of rolling ball isolation.Meanwhile for basic spin every
Shake have the shortcomings that Self-resetting, and someone it is also proposed spheroid rolling Self-resetting base isolation device, but spheroid shock insulation
It is two-way shock insulation, although solving the problems, such as Self-resetting, isolating affection does not have rolling ball isolation effect good.
In addition, building industrialization is rapidly developed in recent years, prefabricated assembled staircase structure is very universal, original cast-in-place
The sliding support way of stair, the technical requirements of assembled stair can not be met.The stair bearing dimensions of market of framework class formation
Greatly, it is wide, the security of this passway for escaping of staircase when economically and reasonably stair shock isolating pedestal is able to ensure that big shake is designed,
With important social and economic benefit.
The content of the invention
It is an object of the invention to provide a kind of staircase structure Self-resetting rolling ball isolation bearing, on the one hand ensures stair ladder
The slip of big displacement will not occur during plate earthquake, more will not fall off；On the other hand, earthquake can be effectively reduced to agent structure
Effect, mitigate the earthquake of staircase structure, while there is certain runback bit function.
To reach above-mentioned purpose, present invention employs following technical scheme：
Including bottom plate, the cover plate being arranged above bottom plate, the lower connecting plate being connected with bottom plate, the upper connection being connected with cover plate
Plate and several the rigid spin (spheroidal) being arranged between bottom plate and cover plate, position is provided with the bottom plate and cover plate
Relative arc groove, each rigid spin arc groove only relative with a pair of positions are in contact, and bottom plate and cover plate pass through firm
Property spin separate, the edge of arc groove is located at below the surface of corresponding bottom plate and cover plate.
Anchor bolt is provided with the upper junction plate and lower connecting plate.
The rigid spin moves towards perpendicular direction (transverse direction) interval setting at least row along with stair.
The lower connecting plate is fixed on staircase landing slab and stretched out on the cantilevered plate to be formed, and upper junction plate is fixed on this
On gangboard part above cantilevered plate, the reserved change that is provided between the cantilevered plate and top gangboard on the outside of bottom plate and cover plate
Shape area.
It is provided with the prearrangement of deformation amount area for preventing upper strata stair cast concrete from falling into the filling in prearrangement of deformation amount area
Thing.
The filler is selected from and the hollow-core construction body formed, foam, rock-wool heat insulation plate or polypropylene extrusion molding is folded by steel plate
Plate.
Small gap is left between the bottom plate and cover plate.
The centre of form of the arc groove is alignd on bottom plate and cover plate along each arc groove orientation.
The relative arc groove in the pair of position only contacts with a rigid spin.
Beneficial effects of the present invention are embodied in：
The present invention is based on the shock insulation component that rolling ball isolation is main body, has good isolating affection, can fully lay down
Staircase structure is in " bridging effect " caused by earthquake.The presence of arc groove causes the shock insulation component to have certain Self-resetting
Function, being capable of self-recovery after earthquake.The shock insulation component overcomes general rolling ball isolation and acts on bottom offset in big shake simultaneously
The shortcomings that excessive, spin is rolled in arc groove edge, there is certain limit function, be to a certain extent building
Terraced structure provides redundant constaint, ensure that the big shake safety of staircase.In addition, the present invention is simple in construction, design and construction are convenient,
It is cheap, safety and economy can be accomplished and deposited.
Brief description of the drawings
Fig. 1 is the installation knot schematic diagram of staircase structure Self-resetting rolling ball isolation bearing of the present invention；
Fig. 2 is the three dimensional structure diagram of staircase structure Self-resetting rolling ball isolation bearing of the present invention；
Fig. 3 is the front view of staircase structure Self-resetting rolling ball isolation bearing of the present invention；
Fig. 4 is the top view of staircase structure Self-resetting rolling ball isolation bearing of the present invention；
Fig. 5 is Fig. 4 I-I profiles；
Fig. 6 is the side view of staircase structure Self-resetting rolling ball isolation bearing of the present invention；
In figure：1. terraced beam, 2. gangboards, 3. prefabricated gangboard hole to be provideds, 4. cantilevered plates, 5. bottom plates, 6. spin, 7. times connections
Plate, 8. lower anchor bolts, 9. prearrangement of deformation amount areas, 10. cover plates, 11. upper junction plates, 12. upper anchorage bolts.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, staircase structure Self-resetting rolling ball isolation bearing of the present invention, including it is arranged on every layer of terraced beam 1
Upper end landing slab stretch out the cantilevered plate 4 the to be formed gangboard 2 adjacent with top lower end between one group of support body, the branch
Seat main body includes shock insulation component, and the upper and lower surface of shock insulation component is connected to upper junction plate 11, lower connecting plate 7, upper junction plate
11 and lower connecting plate 7 be welded to connect respectively between shock insulation component, (move towards direction with stair in two transverse directions of upper junction plate 11
Vertically) edge is vertically provided with multiple upper anchorage bolts 12, is vertically provided with two widthwise edges of lower connecting plate 7 multiple
Lower anchor bolt 8, upper junction plate 11 pass through bottom anchor by upper anchorage bolt 12 and the anchor connection of gangboard 2, lower connecting plate 7
Fixing bolt 8 and the anchor connection of cantilevered plate 4.
The structure of shock insulation component is as shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, including is provided with the bottom plate 5 of arc groove, is provided with
The cover plate 10 of arc groove and the steel spin 6 being arranged in arc groove.It is provided with the bottom plate 5 and lower connecting plate 7 of arc groove
Between by being welded to connect, be provided between the cover plate 10 of arc groove and upper junction plate 11 also by being welded to connect.In order that every
Component is shaken while Self-resetting after completing to slide by steel spin 6, position-limiting action is provided to sliding, by the edge of arc groove
It is arranged at below cover plate 10 and bottom plate 5 surface, i.e., arc groove is the slotted eye that bottom is in concave arc, has limitation steel
Vertical or other forms annular retaining wall of the spin 6 to slip beyond arc groove.
Arc groove on the cover plate 10 and bottom plate 5 is laterally spaced to open up a row, and each arc groove size is identical, and
The centre of form is transversely aligned, and the curved surface of each arc groove is comparatively gentle.Small seam is left between the cover plate 10 and bottom plate 5
Gap, guarantee do not contact with each other and (steel spin is preferably played a role, to reduce the resistance to sliding of shock insulation component in itself), in the lid
Arrange a steel spin 6 on plate 10 and bottom plate 5 corresponding to position in two arc grooves.Arc groove (i.e. spin) sets line number
It is advisable with every row number with the separation bottom plate and cover plate good under normal or earthquake state.
The quantity of upper anchorage bolt 12 and lower anchor bolt 8 according to《Code for design of steel structures》(GB50017-2003)
In calculating determination is carried out to bolted design requirement, and the fusion length of welding position is also basis《Steel Structural Design is advised
Model》(GB50017-2003) calculating determination is carried out to the design requirement of solder design in.
For precast stair, prefabricated gangboard hole to be provided 3 is reserved with the bottom of gangboard 2, by upper anchorage bolt during installation
In the 12 prefabricated gangboard hole to be provideds 3 of insertion, then blocked again by grouting, prefabricated gangboard is connected with bearing.
Gangboard 2 horizontal can slide during to ensure earthquake, in case the concrete or building coats that pour are to shock insulation component
Slip stops, prearrangement of deformation amount area 9 is provided with the both sides of shock insulation component.Filler is provided with prearrangement of deformation amount area 9,
Filler material is one kind in steel plate, foam, rock-wool heat insulation plate.When filler is steel plate, from the steel plate of thinner thickness,
By the steel plate fold be made one it is hollow box-like, be then attached at the inwall in prearrangement of deformation amount area 9, concrete falls when preventing from pouring
Enter in prearrangement of deformation amount area 9 (space between the gangboard and cantilevered plate that are separated by shock insulation component) that (other materials is directly pre-filled
).
Because the bottom plate 5 is not connected with cover plate 10, but it is spaced by steel spin 6, isolating affection and cunning can be played
It is dynamic to unload power effect.In order to prevent under Vertical Earthquake Loads, staircase Self-resetting rolling ball isolation bearing may be by the feelings of lift displacement
Condition, it may be considered that slice band (as " fuse ") is fabricated to using the material with certain tensile strength, and in bottom plate 5 and lid
(such as being arranged in the left and right sides of bottom plate and cover plate along longitudinal direction) is arranged between plate 10, arrangement form includes cross-like
Or parallel shape, ensure not influenceing the horizontal slip of staircase Self-resetting spin bearing.
In a word, the present invention can fully lay down stair knot by the staircase structure Self-resetting rolling ball isolation bearing of setting
Structure gangboard " bridging effect " in earthquake, and redundant constaint is provided for staircase structure, ensure the big shake safety of staircase.Together
When, after spin rolls in arc groove, there is certain Self-resetting effect under gravity, it is ensured that earthquake has certain later
Automatic recovery capability.In addition this shock insulation component isolating affection is notable, durability is strong, bearing capacity is high, be not easy under big shake effect
Destroy, be available for long-term use.In addition, the present invention is simple in construction, design and construction are convenient, cheap, can accomplish safety
With economy and depositing.
Claims (9)
- A kind of 1. staircase structure Self-resetting rolling ball isolation bearing, it is characterised in that：Including bottom plate (5), it is arranged on bottom plate (5) The cover plate (10) of side, the lower connecting plate (7) being connected with bottom plate (5), the upper junction plate (11) being connected with cover plate (10) and setting Several rigid spin (6) between bottom plate (5) and cover plate (10), position is provided with the bottom plate (5) and cover plate (10) Relative arc groove, each rigid spin (6) arc groove only relative with a pair of positions are in contact, bottom plate (5) and cover plate (10) separated by rigid spin (6), the edge of arc groove is located at below the surface of corresponding bottom plate (5) and cover plate (10).
- A kind of 2. staircase structure Self-resetting rolling ball isolation bearing according to claim 1, it is characterised in that：The upper connection Anchor bolt is provided with plate (11) and lower connecting plate (7).
- A kind of 3. staircase structure Self-resetting rolling ball isolation bearing according to claim 1, it is characterised in that：The rigidity rolling Ball (6) moves towards a perpendicular direction interval setting at least row along with stair.
- A kind of 4. staircase structure Self-resetting rolling ball isolation bearing according to claim 1, it is characterised in that：The lower connection Plate (7) is fixed on landing slab and stretched out on the cantilevered plate to be formed (4), and upper junction plate (11) is fixed on above the cantilevered plate (4) Gangboard (2) part on, be provided between the cantilevered plate (4) and top gangboard pre- on the outside of bottom plate (5) and cover plate (10) Stay deformed area (9).
- A kind of 5. staircase structure Self-resetting rolling ball isolation bearing according to claim 4, it is characterised in that：The reserved change It is provided with shape area (9) for preventing stair cast concrete from falling into the filler of prearrangement of deformation amount area (9).
- A kind of 6. staircase structure Self-resetting rolling ball isolation bearing according to claim 5, it is characterised in that：The filler Selected from folding the hollow-core construction body formed, foam, rock-wool heat insulation plate or polypropylene extruded sheet by steel plate.
- A kind of 7. staircase structure Self-resetting rolling ball isolation bearing according to claim 1, it is characterised in that：The bottom plate (5) gap is left between cover plate (10).
- A kind of 8. staircase structure Self-resetting rolling ball isolation bearing according to claim 1, it is characterised in that：The arc is recessed The centre of form of groove is alignd on bottom plate and cover plate along each arc groove orientation.
- A kind of 9. staircase structure Self-resetting rolling ball isolation bearing according to claim 1, it is characterised in that：The pair of position Relative arc groove is put only to contact with a rigid spin (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710908443.4A CN107574933A (en) | 2017-09-29 | 2017-09-29 | A kind of staircase structure Self-resetting rolling ball isolation bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710908443.4A CN107574933A (en) | 2017-09-29 | 2017-09-29 | A kind of staircase structure Self-resetting rolling ball isolation bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107574933A true CN107574933A (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710908443.4A Pending CN107574933A (en) | 2017-09-29 | 2017-09-29 | A kind of staircase structure Self-resetting rolling ball isolation bearing |
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| Country | Link |
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| CN (1) | CN107574933A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359591A (en) * | 2019-07-05 | 2019-10-22 | 中国中元国际工程有限公司 | A kind of three-dimensional isolation/isolation mounting of band limit |
| CN112982850A (en) * | 2021-02-05 | 2021-06-18 | 绍兴文理学院 | Telescopic assembled stair node antidetonation connecting device |
| CN113047549A (en) * | 2021-03-22 | 2021-06-29 | 浙江韶华建设有限公司 | Building antidetonation stair |
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|---|---|---|---|---|
| JPH06220970A (en) * | 1993-01-27 | 1994-08-09 | Takenaka Komuten Co Ltd | Staircase device |
| CN1144871A (en) * | 1996-06-18 | 1997-03-12 | 孔繁明 | Aseismic device for building and bridge |
| TW200404941A (en) * | 2003-12-02 | 2004-04-01 | Huo-Cao Yao | A quake isolator |
| TW200528613A (en) * | 2004-02-27 | 2005-09-01 | chong-xing Cai | Spherical damper capable of damping and absorbing vibration energy |
| CN2934419Y (en) * | 2006-08-07 | 2007-08-15 | 润弘精密工程事业股份有限公司 | Spherical type quakeproof structure |
| TW200736469A (en) * | 2006-03-30 | 2007-10-01 | wen-xiang Li | Universal seismic isolation device |
| CN201033957Y (en) * | 2007-05-21 | 2008-03-12 | 北京工业大学 | Vertical plucking-resistant friction pendulum support |
| CN201762841U (en) * | 2010-09-10 | 2011-03-16 | 辛力 | Stair vibration isolation device |
| CN203891204U (en) * | 2014-06-11 | 2014-10-22 | 安徽工业大学 | Shape memory alloy tensile rubber shock isolation support |
| CN205296401U (en) * | 2016-01-15 | 2016-06-08 | 中国建筑西北设计研究院有限公司 | Staircase structure slip power consumption support |
| CN206308825U (en) * | 2016-12-23 | 2017-07-07 | 天津紫荆天工新材料科技有限公司 | A kind of rolling ball isolation device |
| CN207228344U (en) * | 2017-09-29 | 2018-04-13 | 长安大学 | Staircase structure Self-resetting rolling ball isolation bearing |
-
2017
- 2017-09-29 CN CN201710908443.4A patent/CN107574933A/en active Pending
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|---|---|---|---|---|
| JPH06220970A (en) * | 1993-01-27 | 1994-08-09 | Takenaka Komuten Co Ltd | Staircase device |
| CN1144871A (en) * | 1996-06-18 | 1997-03-12 | 孔繁明 | Aseismic device for building and bridge |
| TW200404941A (en) * | 2003-12-02 | 2004-04-01 | Huo-Cao Yao | A quake isolator |
| TW200528613A (en) * | 2004-02-27 | 2005-09-01 | chong-xing Cai | Spherical damper capable of damping and absorbing vibration energy |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359591A (en) * | 2019-07-05 | 2019-10-22 | 中国中元国际工程有限公司 | A kind of three-dimensional isolation/isolation mounting of band limit |
| CN112982850A (en) * | 2021-02-05 | 2021-06-18 | 绍兴文理学院 | Telescopic assembled stair node antidetonation connecting device |
| CN113047549A (en) * | 2021-03-22 | 2021-06-29 | 浙江韶华建设有限公司 | Building antidetonation stair |
| CN113047549B (en) * | 2021-03-22 | 2022-07-05 | 浙江韶华建设有限公司 | Building antidetonation stair |
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Application publication date: 20180112 |