CN102912724B - Shock insulation support - Google Patents
Shock insulation support Download PDFInfo
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- CN102912724B CN102912724B CN201210457782.2A CN201210457782A CN102912724B CN 102912724 B CN102912724 B CN 102912724B CN 201210457782 A CN201210457782 A CN 201210457782A CN 102912724 B CN102912724 B CN 102912724B
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- base plate
- seat board
- gathering sill
- plate
- spring
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Abstract
The invention provides a shock insulation support which comprises an upper base plate, a middle base plate and a lower base plate. An upper guide groove is arranged at the bottom of the upper base plate, a lower guide groove is arranged at the top of the lower base plate, the middle base plate is provided with an X-directional guide rail matching with the upper guide groove of the upper base plate and a Y-directional guide rail matching with the lower guide groove of the lower base plate, an X-directional return spring is arranged on an X-directional spring seat arranged between the upper base plate and the middle base plate, the upper and lower plates in the X-directional return spring are connected onto the upper base plate and the middle base plate respectively, a Y-directional return spring is arranged on a Y-directional spring seat arranged between the middle base plate and the lower base plate, the upper and lower plates in the Y-directional return spring are connected onto the middle base plate and the lower base plate respectively. The support has sufficient bearing capacity, horizontal motion can be achieved, energy transmitted to an architecture by an earthquake can be consumed, the stability is good, the operation and replacement are convenient, large batch production can be achieved, and the service life of the support can be the same with that of a bridge or the architecture.
Description
technical field:
A kind of shock isolating pedestal for building, on bridge the present invention relates to.
background technology:
On May 12nd, 2008 there are 8. 0 grades of earthquakes in Wenchuan County in Sichuan, show according to the information announcing of earthquake-stricken area, casualties in the violent earthquake of Wenchuan, major part causes because of house collapses such as factory, office building, school, houses, this shows, along with China's Urbanization Construction development, the population density that assemble in cities and towns is also rising thereupon.Therefore, one of warning of Wenchuan violent earthquake, should pay close attention to the research application of building damper exactly more.The isolation measure adopting both at home and abroad can be divided into two classes: neoprene bearing shock insulation and sliding and shock isolation.The former is generally, and between multilayer rubber, folder is with steel sheet, and central authorities add lead for retractable pencil.This structure can lengthen house natural vibration period, makes its seismic wave eigenperiod remotely, reduces geological process, and tool auto-reset function.But its shortcoming is also fairly obvious: because the main functionality of this system bearing is that vertical carrying and horizontal shear and reset are all realized by rubber, therefore requiring should to take into account above-mentioned function in the processing and fabricating of rubber compounding and neoprene bearing shock insulation realizes, its difficulty is very big, is difficult to obtain effective guarantee.The neoprene bearing shock insulation that applies at present engineering practice has exposed many problems, comprises that applying to airport building important building like this has also occurred many problems.Tradition sliding and shock isolation technology is sliding component and the locating part etc. that low friction is set at the position such as basis or interlayer, effectively limit seismic energy transmits to top and feeds back to bottom by relative sliding motion and friction energy-dissipating, but technology only depends on friction energy-dissipating without other power consumption modes, when when its earthquake, displacement is excessive, can damage locating part, maximum defect is that resetting-mechanism need be set separately, difficulty of construction is large, and the situation of promoting is at present undesirable.
Rubber earthquake isolation support is because design pressure is little, be only 10 to 15Mpa, in highrise building, use and must solve large-scale rubber earthquake isolation support process issues at present, particularly the not yet done and finished product level of the vulcanization of rubber is to the problem of Performance Detection, in the face of producing and checking all difficulties, ensure that product quality has just been not sure.In addition highrise building tilting force in the time of earthquake is large, and rubber earthquake isolation support, by the tensile stress facing more than 1 MPa, exceedes 1 Mpa tensile device will be set separately, and difficulty of construction and cost are high.As time goes on, the problem of aging of rubber earthquake isolation support will further expose, and the performance parameter of bearing expection will decline to a great extent, when coming earthquake by abnormally dangerous.Because rubber earthquake isolation support is always in large-tonnage pressure-acting, once occurring that quality problems need be by entire building synchronization of jacking up, its operation easier is well imagined, can say almost and cannot change.
summary of the invention:
Order of the present invention is in order to overcome above deficiency, a kind of enough supporting capacitys that has are provided, can realize the energy that horizontal direction moved and can consume earthquake and pass to building simultaneously, good stability, operation, replacing are conveniently, can be mass-produced, can realization and bridge or building with the shock isolating pedestal in life-span.
The object of the present invention is achieved like this:
Shock isolating pedestal of the present invention, comprises upper base plate, middle seat board, lower seat board, upper gathering sill is arranged at upper base plate bottom, and lower gathering sill is arranged at lower seat board top, has the X direction guiding rail coordinating with the upper gathering sill on upper base plate respectively on middle seat board, the Y-direction guide rail coordinating with the lower gathering sill on lower seat board is equipped with X to back-moving spring at the X between upper base plate and middle seat board on spring base, upper in back-moving spring of X, lower plate is connected to upper base plate, on middle seat board, on the Y-direction spring base between middle seat board and lower seat board, Y-direction back-moving spring is housed, the upper plate of Y-direction back-moving spring, seat board in the middle of lower plate is connected to, on lower seat board, upper base plate and middle seat board, lower seat board and middle seat board form double glide system, and combine together with back-moving spring, upper base plate, middle seat board, lower seat board is main bearing member, can adopt steel to make, the material ageing problem that can avoid shock insulation rubber bearing to avoid, and back-moving spring is conveniently replaced in addition, therefore can realization and bridge or build the same life-span.
On above-mentioned upper base plate and middle seat board opposite position, the first corrosion resistant plate, the first polyfluortetraethylene plate are housed respectively, on lower seat board and middle seat board opposite position, the second corrosion resistant plate, the second polyfluortetraethylene plate are housed respectively, form friction pair, the energy that consumes earthquake transmission, plays damping.
On above-mentioned upper gathering sill, lower gathering sill, there is respectively hook, on X direction guiding rail, Y-direction guide rail, have respectively the X coordinating with the hook on upper gathering sill, lower gathering sill to flange, Y-direction flange, play anti-pulling effect, avoid building to topple.
Above-mentioned X direction guiding rail side is equipped with respectively the 4th corrosion resistant plate, the 4th polyfluortetraethylene plate with X on the corresponding position of flange side, the 5th corrosion resistant plate, the 5th polyfluortetraethylene plate are housed respectively on Y-direction guide rail side and Y-direction flange side opposite position, when slippage, reduce friction, avoid clamping stagnation.
On above-mentioned middle seat board, there is ball recess, be loaded on successively the spherical polyfluortetraethylene plate in ball recess, spherical steel plate, be loaded on the 3rd polyfluortetraethylene plate being connected with upper base plate on ball recess, make upper base plate not only can carry out X, Y-direction slip, also can carry out vertical rotating, be particularly suitable for using on bridge.
Above-mentioned be positioned at gathering sill at upper and lower seat board, upper limit position block, lower position block are equipped with respectively in lower gathering sill two ends.
Above-mentioned X adopts respectively rubber shear spring to back-moving spring, Y-direction back-moving spring.
In above-mentioned rubber shear spring, pour into lead for retractable pencil, strengthen damping.
The present invention adopts double glide system and rubber shear spring to combine together, provide initial stiffness by double glide friction pair, ensure to build under the effect of carrying at wind unaffected, when coming earthquake, by rubbing action earthquake energy, play the effect (damping material also can be set in the rubber shear spring adopting as perfusion lead for retractable pencil for increasing damping) of damping.After completing, earthquake by back-moving spring, building integral is set back.Because back-moving spring adopts the spacing mode being connected with upper and lower seat board and middle seat board, also very convenient if there is its replacing of problem.On upper and lower seat board, gathering sill matches with middle seat board gathering sill, overcomes building and is subject to tilting force, avoids building collapse.Clear in structure of the present invention is succinct, and quality can effectively be ensured, is convenient to realize simultaneously and produces in enormous quantities.Because vertical bearing capacity is directly born by steel plate and high-strength polytetrafluoroethyl-ne, the physical dimension that phase specific energy is born the rubber earthquake isolation support of same vertical load greatly reduces, and has also avoided the large-scale rubber earthquake isolation support vulcanization of rubber to be difficult for ensureing and an aging difficult problem; Relatively traditional sliding isolated bearing, because this bearing is compounded with reset rubber shear spring, has effectively solved traditional sliding isolated bearing resetting-mechanism, the difficult problem that difficulty of construction is large need be set separately.
The present invention has enough supporting capacitys, can realize horizontal direction simultaneously and move and can consume earthquake and pass to the energy of building, and good stability, operation, changes conveniently, can be mass-produced.Bearing of the present invention can be realized and building or same life-span of bridge.
brief description of the drawings:
Fig. 1 is structural representation of the present invention.
Fig. 2 is structure separation graph in Fig. 1.
Fig. 3 is another structural representation of the present invention.
Fig. 4 is the present invention's structural representation again.
Fig. 5 is the structural representation of the present invention on middle seat board with ball recess.
Fig. 6 is the structural representation of the present invention that has flange on middle seat board.
Fig. 7 is rubber shear spring structural representation.
detailed description of the invention:
Embodiment 1:
Referring to Fig. 1, Fig. 2, the present embodiment 1 shock isolating pedestal, comprises upper base plate 1, middle seat board 2, lower seat board 3.Upper gathering sill 5 is arranged at upper base plate bottom.Lower gathering sill 7 is arranged at lower seat board top.On middle seat board, there is the X direction guiding rail 8 coordinating with the upper gathering sill on upper base plate respectively.The Y-direction guide rail 9 coordinating with the lower gathering sill on lower seat board.On spring base 12, X is housed to back-moving spring 13 at the X between upper base plate and middle seat board.X is connected on upper base plate, middle seat board to the upper and lower plate 14,15 in back-moving spring.On the Y-direction spring base 16 between middle seat board and lower seat board, Y-direction back-moving spring 17 is housed.The upper plate 18 of Y-direction back-moving spring, lower plate 19 are connected on middle seat board, lower seat board.
The first corrosion resistant plate 20, the first polyfluortetraethylene plate 21 are housed respectively on above-mentioned upper base plate and middle seat board opposite position.The second corrosion resistant plate 22, the second polyfluortetraethylene plate 23 are housed respectively on lower seat board and middle seat board opposite position.
Embodiment 2:
Referring to Fig. 3, the present embodiment 2 basic with embodiment 1 together, not existing together, to be X between upper base plate and middle seat board have to two ends in spring base the block 24,25 being contained in respectively on upper base plate and middle seat board.In Y-direction spring base between lower seat board and middle seat board, there is the block 26,27 being contained in respectively on lower seat board and middle seat board at two ends.
Embodiment 3:
Referring to Fig. 4, the present embodiment 3 is basic and embodiment 2 is same, and not existing together is that middle seat board X is equipped with respectively block 28,29 to spring base, Y-direction spring base both sides.
Embodiment 4:
Referring to Fig. 5, the present embodiment 4 is basic and embodiment 3 is same.Do not exist together is to have respectively convex platform 30, lower convex platform 31 on middle seat board top, bottom.On convex platform, on middle part, there is ball recess 32, be loaded on successively spherical polyfluortetraethylene plate 33, spherical steel plate 41 in ball recess, be flush-mounted in the 3rd polyfluortetraethylene plate 34 contacting with upper base plate on ball recess.Between upper base plate and middle seat board, there are two X to spring base, between lower seat board and middle seat board, have two Y-direction spring bases.
Embodiment 5:
Referring to Fig. 6, the present embodiment 5 is basic and embodiment 1 is same, and not existing together is to have the X coordinating with upper gathering sill hook portion 4 to flange 10 on middle seat board X direction guiding rail, has the Y-direction flange 11 coordinating with the hook portion 6 on lower gathering sill on Y-direction guide rail.X is equipped with respectively upper limit position block 35 to gathering sill two ends.X coordinates with X direction guiding rail to gathering sill the 4th corrosion resistant plate, the 4th polyfluortetraethylene plate 37 is housed respectively on side.Lower position block 38 is equipped with respectively at Y-direction gathering sill two ends.Y-direction gathering sill coordinates with Y-direction guide rail the 5th corrosion resistant plate 39, the 5th polyfluortetraethylene plate 40 is housed respectively on side.
X in the various embodiments described above adopts respectively rubber shear spring to back-moving spring, Y-direction back-moving spring.Also can as shown in Figure 7, protect and can pour into lead for retractable pencil 42 at rubber shear spring.
The various embodiments described above are that foregoing of the present invention is further described, but this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to above-described embodiment.All technology realizing based on foregoing all belong to scope of the present invention.
Claims (6)
1. shock isolating pedestal, it is characterized in that comprising upper base plate, middle seat board, lower seat board, upper gathering sill is arranged at upper base plate bottom, lower gathering sill is arranged at lower seat board top, on middle seat board, there is the X direction guiding rail coordinating with the upper gathering sill on upper base plate respectively, the Y-direction guide rail coordinating with the lower gathering sill on lower seat board, on spring base, X is housed to back-moving spring at the X between upper base plate and middle seat board, upper in back-moving spring of X, lower plate is connected to upper base plate, on middle seat board, on the Y-direction spring base between middle seat board and lower seat board, Y-direction back-moving spring is housed, the upper plate of Y-direction back-moving spring, seat board in the middle of lower plate is connected to, on lower seat board.
2. shock isolating pedestal as claimed in claim 1, is characterized in that there is respectively hook on gathering sill, lower gathering sill, has respectively the X coordinating with the hook on upper gathering sill, lower gathering sill to flange, Y-direction flange on X direction guiding rail, Y-direction guide rail.
3. shock isolating pedestal as claimed in claim 1 or 2, has ball recess on seat board in the middle of it is characterized in that, is loaded on successively the spherical polyfluortetraethylene plate in ball recess, spherical steel plate, is loaded on the 3rd polyfluortetraethylene plate contacting with upper base plate on spherical steel plate.
4. shock isolating pedestal as claimed in claim 1 or 2, is characterized in that upper and lower seat board is positioned at gathering sill, upper limit position block, lower position block are equipped with respectively in lower gathering sill two ends.
5. the shock isolating pedestal as described in claim 1 or 2, is characterized in that X adopts respectively rubber shear spring to back-moving spring, Y-direction back-moving spring.
6. shock isolating pedestal as claimed in claim 5, is characterized in that pouring into lead for retractable pencil in rubber shear spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210457782.2A CN102912724B (en) | 2012-11-15 | 2012-11-15 | Shock insulation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210457782.2A CN102912724B (en) | 2012-11-15 | 2012-11-15 | Shock insulation support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102912724A CN102912724A (en) | 2013-02-06 |
| CN102912724B true CN102912724B (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210457782.2A Active CN102912724B (en) | 2012-11-15 | 2012-11-15 | Shock insulation support |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147512B (en) * | 2013-03-15 | 2016-01-06 | 河海大学 | Slide rail type overturning or slip resistance analysis shock isolating pedestal |
| CN104695551A (en) * | 2015-03-13 | 2015-06-10 | 华东建筑设计研究院有限公司 | Multidirectional performance metal sliding support |
| CN106869565A (en) * | 2017-03-20 | 2017-06-20 | 太原恒晋减震科技有限公司 | A kind of slip support abutment |
| CN108004915B (en) * | 2017-11-30 | 2023-08-11 | 中铁二院工程集团有限责任公司 | Novel friction pendulum support |
| CN108824664B (en) * | 2018-07-25 | 2023-07-14 | 北京工业大学 | Embedded composite shock insulation device, embedded composite shock insulation system and use method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4407307B2 (en) * | 2004-02-17 | 2010-02-03 | 横浜ゴム株式会社 | Rubber laminated damper device for bridges |
| JP4428238B2 (en) * | 2005-01-12 | 2010-03-10 | 横浜ゴム株式会社 | Sliding rubber bearing device |
| CN2853883Y (en) * | 2005-09-30 | 2007-01-03 | 北京工业大学 | Rubber shock isolation bearing capable of regulating horizontal setted SMA prestrain |
| CN201544141U (en) * | 2009-11-20 | 2010-08-11 | 耐普罗机械（天津）有限公司 | Multifunctional bench clamp |
| CN201554141U (en) * | 2009-11-20 | 2010-08-18 | 北京工业大学 | Shock isolating support for self-adaptive bispherical steel spring plate |
| CN202865998U (en) * | 2012-11-15 | 2013-04-10 | 成都宝路通桥梁科技有限公司 | Shock insulation support |
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- 2012-11-15 CN CN201210457782.2A patent/CN102912724B/en active Active
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