CN103015312A - Multifunctional shock insulation device - Google Patents
Multifunctional shock insulation device Download PDFInfo
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- CN103015312A CN103015312A CN2011102798154A CN201110279815A CN103015312A CN 103015312 A CN103015312 A CN 103015312A CN 2011102798154 A CN2011102798154 A CN 2011102798154A CN 201110279815 A CN201110279815 A CN 201110279815A CN 103015312 A CN103015312 A CN 103015312A
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- steel plate
- shock insulation
- disc
- limiting section
- isolating device
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Abstract
The invention discloses a multifunctional shock insulation device, which comprises two oppositely-arranged connection plates, a shock insulation support body and multiple groups of spacing devices, wherein the shock insulation support body is fixedly arranged between the two connection plates; the spacing devices are surrounded around the shock insulation support body; the shock insulation support body is positioned on the middle part of the two connection plates; and the spacing devices comprise steel cushion blocks and steel plate spacing parts, wherein end cushions on two opposite sides of the steel plate spacing parts are fastened between the two connection plates. According to the multifunctional shock insulation device disclosed by the invention, the spacing devices can provide larger initial rigidity and yield strength for the multifunctional shock insulation device, the upper structure displacement of a bridge is limited under the actions of the frequent earthquake and the design earthquake, and the multifunctional shock insulation device performs a better shock insulation action under the action of the rare occurrence earthquake, and has the advantages of explicit stressing, obvious shock reduction and insulation effect, simple constitution and convenience in construction.
Description
Technical field
The present invention relates to field of bridge construction, relate in particular to a kind of Multifunctional vibration-isolating device.
Background technology
Along with taking place frequently of natural calamity all over the world, seismic isolation technology receives more and more people's concern as a kind of effective antidetonation means.At present, earthquake isolating equipment has been verified the validity of its isolation structure as a kind of technology the most ripe in the isolation structure in all previous earthquake.
Earthquake isolating equipment seldom is applied in the railroad bridge always, mainly be since train the ride comfort of track is required stricter, less according to the yield load of the earthquake isolating equipment of various countries' Specification Design.Under the effect of braking force of train, small earthquakes, earthquake isolating equipment enters the surrender stage very soon, and development of deformation will cause track deformation also than comparatively fast after the surrender.The earthquake isolating equipment of this structure can't guarantee vehicle Operation safety on bridge when braking force of train, small earthquakes generation.
Along with the increase of the stem stem area of earthquake isolating equipment, the isolating affection of bracing or strutting arrangement reduces gradually, and the reset capability variation.
Summary of the invention
Technical problem to be solved by this invention is, a kind of Multifunctional vibration-isolating device is provided, many group stopping means can provide larger initial stiffness and yield strength for Multifunctional vibration-isolating device, restriction bridge superstructure displacement under frequently occurred earthquake and design earthquake effect, play preferably function of shock insulation under the rarely occurred earthquake effect, stressed clear and definite, the damper successful, simple structure, constructability.
In order to solve the problems of the technologies described above, embodiments of the invention provide a kind of Multifunctional vibration-isolating device, described Multifunctional vibration-isolating device comprises: two gusset pieces staggered relatively, be installed between described two gusset pieces the shock isolating pedestal body and around the many groups stopping means that is arranged on around the described shock isolating pedestal body, described shock isolating pedestal body is positioned at the middle part of described two gusset pieces;
Described many group stopping means comprise steel cushion block and steel plate limiting section, and described steel plate limiting section up and down two ends arranges described steel cushion block and is fastened between described two gusset pieces.
Preferably, two groups of both sides that are symmetricly set on described shock isolating pedestal body in described at least many group stopping means.
Preferably, described steel plate limiting section comprises the angle iron connecting piece that fastening multi-disc steel plate is set and is positioned at the both end sides of described multi-disc steel plate, described multi-disc steel plate is arranged side by side and keeps vertical with described steel cushion block, fastening described multi-disc steel plate is set is fastened between described two gusset pieces by described angle iron connecting piece;
Described steel cushion block is fixed between described angle iron connecting piece and the gusset piece.
Preferably, described steel plate limiting section also comprises alternating and is arranged on backing plate between described multi-disc steel plate;
Described multi-disc steel plate has the gap to each other.
Preferably, high-strength bolt runs through described multi-disc steel plate and described multi-disc steel plate is fastened on the side end face of described angle iron connecting piece; The opposite side end face of the described angle iron connecting piece of bolt-through, described steel cushion block and described two gusset pieces are fastened on described steel plate limiting section between described two gusset pieces.
Preferably, described steel plate limiting section is to be made by the fragility steel plate.
Multifunctional vibration-isolating device provided by the present invention, because Multifunctional vibration-isolating device is organized stopping means around arranging more around the shock isolating pedestal body, stopping means can provide larger initial stiffness and yield strength for Multifunctional vibration-isolating device, when the geological disasters such as normal service load, small earthquakes occur, can effectively limit the displacement of bridge superstructure, promote its firm performance; After stopping means was because of large shake fracture failure, the shock isolating pedestal body can play preferably isolating affection, and the member on the protection gusset piece is failure not.This Multifunctional vibration-isolating device, preferably function of shock insulation is played in the displacement of restriction bridge superstructure under the rarely occurred earthquake effect under frequently occurred earthquake and design earthquake effect, and is stressed clear and definite, damper successful, simple structure, constructability.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the facade structures schematic diagram of the Multifunctional vibration-isolating device of the embodiment of the invention;
Fig. 2 is the right TV structure schematic diagram of the Multifunctional vibration-isolating device of the embodiment of the invention;
Fig. 3 is the structural representation of as shown in Figure 1 A-A direction of the Multifunctional vibration-isolating device of the embodiment of the invention;
Fig. 4 is the structural representation of as shown in Figure 2 B-B direction of the Multifunctional vibration-isolating device of the embodiment of the invention;
Fig. 5 is the restoring force model schematic diagram of the Multifunctional vibration-isolating device of the embodiment of the invention.
The specific embodiment
Below with reference to accompanying drawing the preferred embodiments of the present invention are described.
In conjunction with referring to Fig. 1, shown in Figure 2, the embodiment of the invention provides a kind of Multifunctional vibration-isolating device, comprise: two gusset pieces 1 staggered relatively, be installed on the shock isolating pedestal body 2 of 1 of described two gusset piece and around the many groups stopping means 3 that is arranged on around the described shock isolating pedestal body 2, described shock isolating pedestal body 2 is positioned at the middle part of described two gusset pieces 1;
Described many group stopping means 3 comprise steel cushion block 31 and steel plate limiting section 32, and described steel plate limiting section 32 relative two side ends pads are established described steel cushion block 31 and are fastened between described two gusset pieces 1;
Two gusset pieces 1 are separately fixed at the square shape plate body structure at shock isolating pedestal body 2 and stopping means two ends about in the of 3, two gusset pieces 1 measure-alike.Many pre embedded bolts 4 are fixed on the surface, both sides of two gusset pieces, 1 opposing direction.In the present embodiment, pre embedded bolt 4 is fixed on the gusset piece 1 by the solid mode of spiral shell, its effect is to pour into a mould when being connected when Multifunctional vibration-isolating device of the present invention and other member, guarantee the bonding strength between damping device and other member, to give full play to the shock isolating pedestal body 2 that is positioned at 1 of two gusset piece and the damping performance of stopping means 3.
In conjunction with referring to Fig. 3, shown in Figure 4; described shock isolating pedestal body 2 comprises two shroudings 21, core print seat support portion 22 and topping 23; described core print seat support portion 22 is between described two shroudings 21 staggered relatively, and described topping 23 is coated on the periphery of described two shroudings 21 and described core print seat support portion 22.
Shock isolating pedestal body 2 is the earthquake isolating equipments that are positioned at two gusset pieces, 1 middle part, and it is cubic, its up and down two ends as shown in the figure by pad establish two sizes, shrouding 21 that shape is identical is fixed between two gusset pieces 1.Shock isolating pedestal body 2 is structural element that elastic restoring force can be provided; it has core print seat support portion 22 and topping 23; core print seat support portion 22 is between described two shroudings 21 staggered relatively, and topping 23 is coated on the periphery of two shroudings 21 and core print seat support portion 22.
In a preferred embodiment of the present invention, described core print seat support portion 22 comprises stem stem 221 and is socketed in laminated steel plate 222 and laminated rubber 223 around the described stem stem 221, and described laminated steel plate 222 arranges parallel with described shrouding 21.
Implementation is during such as rarely occurred earthquake; be looped around laminated steel plate 222 around the shock isolating pedestal body 2 and will at first occur disrumpent feelingsly, then the stem stem 221 in the shock isolating pedestal body 2 is surrendered, and plays the power consumption effect; laminated rubber 223 plays certain function of shock insulation, and the protection bridge is failure not.
Many group stopping means 3 around be arranged on shock isolating pedestal body 2 around, its effect is to provide larger initial stiffness and yield strength for Multifunctional vibration-isolating device, it can be according to the group number of actual conditions adjustment setting, so that proper initial stiffness and yield strength to be provided.In a kind of preferred embodiment provided by the invention, there are two groups of stopping means 3 to be symmetricly set on the both sides of shock isolating pedestal body 2, these two groups of stopping means 3 can effectively limit the displacement of gusset piece 1 upper component under load, small earthquakes effect, promote its firm performance.Following structure according to one group of stopping means 3 illustrates its operating principle.
Stopping means 3 is to have certain thickness braced structures, and it comprises steel cushion block 31 and steel plate limiting section 32, and steel plate limiting section 32 relative two side ends pads are established steel cushion block 31 and are fastened between two gusset pieces 1.
Preferably, steel cushion block 31 is adopted and is fixed in welded or bolted way on two gusset pieces 1.
Steel plate limiting section 32 comprises the angle iron connecting piece 322 that fastening multi-disc steel plate 321 is set and is positioned at the both end sides of multi-disc steel plate 321, multi-disc steel plate 321 is arranged side by side and keeps vertical with steel cushion block 31, fastening multi-disc steel plate 321 is set is fastened between two gusset pieces 1 by angle iron connecting piece 322; Steel cushion block 31 is fixed between angle iron connecting piece 322 and the gusset piece 1.
Preferred embodiment, multi-disc steel plate 321 refers to the steel plate that is arranged side by side more than three, also be provided with the backing plate 323 that has a negative impact be used to avoiding the single steel plate interaction 321 of multi-disc steel plates, the gauge of backing plate 323 is identical with the gauge of steel plate 321, but sectional dimension is less than the size of steel plate 321, so that the multi-disc steel plate 321 that pad is established behind the backing plate 323 has the gap to each other, but because 321 of multi-disc steel plates are undertaken fastening by angle iron connecting piece 322, for steel plate 321 monomers, it is firm the connection each other.
Preferably, the thickness of backing plate 323 is 10mm.
Need to prove, said structure by stopping means is so that it can provide larger initial stiffness and yield strength in large earthquake centre, behind its fracture failure, shock isolating pedestal body 2 can be obtained preferably isolating affection, and its multi-disc steel plate structure that has also is convenient to change after large shake.
The fastening of multi-disc steel plate 321 implemented in the following way, and bolt 5 runs through multi-disc steel plate 321 and multi-disc steel plate 321 is fastened on the side end face of angle iron connecting piece 322; Steel plate limiting section 32 is implemented in the following way with steel cushion block 31 and gusset piece 1, and opposite side end face, steel cushion block 31 and two gusset pieces 1 that bolt 6 runs through angle iron connecting piece 322 are fastened on steel plate limiting section 32 between two gusset pieces 1.Preferably, angle iron connecting piece 322 is one to have the angle steel of vertical angle steel.During assembling, backing plate 323 intervals are placed on the precalculated position of multi-disc steel plate 321 ends, the position that note to keep being opened in screw on the multi-disc steel plate 321 lateral body surfaces is corresponding, in order to can efficiently bolt 5 be inserted wherein.Then, two groups amount to eight high-intensity bolts and run through successively in the larger angle steel of above-mentioned rigidity 322 and the multi-disc steel plate 321 corresponding bolts hole multi-disc steel plate 321 is cascaded and finished the fastening of multi-disc steel plate 321, and steel plate limiting section 32 assembles complete.
And then, steel plate limiting section 32 is fastened on two gusset pieces 1.Concrete, the screw of respectively angle steel 233 opposite side end faces being offered is aimed at steel cushion block 21 and two gusset pieces, 1 corresponding screw position.Then, many screw rods 6 run through successively the larger angle steel of above-mentioned rigidity 322, steel cushion block 31 and two gusset pieces 1 steel plate limiting section 32 are fastened between two gusset pieces 1, and stopping means 31 assemblings are complete.
After assembling is finished, the relative position relation of each member and two gusset pieces 1 is as follows, the firm cushion block 31 of stopping means 3 is fastened on two gusset pieces 1, is fixed with steel plate limiting section 32 between it, the state that the multi-disc steel plate 321 in the steel plate limiting section 32 is vertical with 1 maintenance of two gusset pieces; Two shroudings 21 of shock isolating pedestal body are fastened on two gusset pieces 1, be fixed with core print seat support portion 22 between it, stem stem 221 in the core print seat support portion 22 keeps relative vertical state with two gusset pieces 1, and laminated steel plate 222 and laminated rubber 223 then keep the state of opposing parallel with two gusset pieces 1.
Multifunctional vibration-isolating device of the present invention in the specific implementation, when having load action on gusset piece 1, such as geological disasters such as little shake or middle shakes, stopping means 3 can provide larger initial stiffness and surrender rigidity for whole Multifunctional vibration-isolating device.As shown in Figure 5, restoring force model schematic diagram for Multifunctional vibration-isolating device of the present invention, wherein, the A point is the elastic limit of Multifunctional vibration-isolating device, stopping means 3 reached elastic limit when Multifunctional vibration-isolating device moved to the A point by the O point, in this process, shock isolating pedestal body 2 is in the elastic working stage.The A point is broken a little for stopping means 3, be displacement when reaching stopping means 3 deactivate, only shock isolating pedestal body 2 works independently, and hesteresis curve moves along the hesteresis curve of shock isolating pedestal body 2, during unloading along the unloading rigidity of path DE shock isolating pedestal body 2.Before stopping means 3 was broken, the elastic stiffness along combined isolator during unloading unloaded.This shows, behind stopping means 3 fracture failures, the stem stem of shock isolating pedestal body 2 is surrendered, but it still can continue to provide the effect of shock insulation, and protection is cast in not failure of gusset piece 1 upper component.
Implement the Multifunctional vibration-isolating device of the embodiment of the invention, because Multifunctional vibration-isolating device is organized stopping means around arranging more around the shock isolating pedestal body, stopping means can provide larger initial stiffness and yield strength for Multifunctional vibration-isolating device, at normal service load, when the small earthquakes geological disaster occurs, can effectively limit the displacement of bridge superstructure, promote its firm performance; After stopping means was because of large shake fracture failure, the shock isolating pedestal body can play preferably isolating affection, and the member on the protection gusset piece is failure not.This Multifunctional vibration-isolating device limits the bridge superstructure displacement under frequently occurred earthquake and design earthquake effect, play preferably function of shock insulation under the rarely occurred earthquake effect, and is stressed clear and definite, damper successful, simple structure, constructability.
Above disclosed is preferred embodiment of the present invention only, certainly can not limit with this interest field of the present invention, so equivalent variations, still belongs to the scope that the present invention is contained.
Claims (6)
1. Multifunctional vibration-isolating device, it is characterized in that, described Multifunctional vibration-isolating device comprises: two gusset pieces staggered relatively, be installed on the shock isolating pedestal body of described two gusset pieces and around the many groups stopping means that is arranged on around the described shock isolating pedestal body, described shock isolating pedestal body is positioned at the middle part of described two gusset pieces;
Described many group stopping means comprise steel cushion block and steel plate limiting section, and described steel plate limiting section up and down two ends arranges described steel cushion block and is fastened between described two gusset pieces.
2. Multifunctional vibration-isolating device as claimed in claim 1 is characterized in that, two groups of both sides that are symmetricly set on described shock isolating pedestal body in described at least many group stopping means.
3. Multifunctional vibration-isolating device as claimed in claim 1 or 2, it is characterized in that, described steel plate limiting section comprises the angle iron connecting piece that fastening multi-disc steel plate is set and is positioned at the both end sides of described multi-disc steel plate, described multi-disc steel plate is arranged side by side and keeps vertical with described steel cushion block, fastening described multi-disc steel plate is set is fastened between described two gusset pieces by described angle iron connecting piece;
Described steel cushion block is fixed between described angle iron connecting piece and the described gusset piece.
4. Multifunctional vibration-isolating device as claimed in claim 3 is characterized in that, described steel plate limiting section also comprises alternating and is arranged on backing plate between described multi-disc steel plate;
Described multi-disc steel plate has the gap to each other.
5. Multifunctional vibration-isolating device as claimed in claim 4 is characterized in that, high-strength bolt runs through described multi-disc steel plate and described multi-disc steel plate is fastened on the side end face of described angle iron connecting piece; The opposite side end face of the described angle iron connecting piece of bolt-through, described steel cushion block and described two gusset pieces are fastened on described steel plate limiting section between described two gusset pieces.
6. Multifunctional vibration-isolating device as claimed in claim 1 is characterized in that, described steel plate limiting section is to be made by the fragility steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110279815.4A CN103015312B (en) | 2011-09-20 | 2011-09-20 | Multifunctional shock insulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110279815.4A CN103015312B (en) | 2011-09-20 | 2011-09-20 | Multifunctional shock insulation device |
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| Publication Number | Publication Date |
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| CN103015312A true CN103015312A (en) | 2013-04-03 |
| CN103015312B CN103015312B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110279815.4A Active CN103015312B (en) | 2011-09-20 | 2011-09-20 | Multifunctional shock insulation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464237A (en) * | 2015-12-16 | 2016-04-06 | 上海大学 | Nested type shear locking apparatus on rubber shock insulation support |
| CN106087717A (en) * | 2016-06-28 | 2016-11-09 | 杜桂菊 | Bridge antidumping bearing |
| WO2018014426A1 (en) * | 2016-07-18 | 2018-01-25 | 深圳市市政设计研究院有限公司 | High-damping rubber isolation bearing, intelligent bearing, and bearing monitoring system |
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| WO2002084030A1 (en) * | 2001-04-12 | 2002-10-24 | Fine Co., Ltd. | Combination-type earthquake-proof apparatus |
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| CN1663878A (en) * | 2005-03-16 | 2005-09-07 | 衡水震泰隔震器材有限公司 | Rubber support for oceanic oil platform and preparation method thereof |
| CN201924273U (en) * | 2010-12-14 | 2011-08-10 | 广州大学 | Special shock isolating and absorbing support for railways and bridges |
| CN202124866U (en) * | 2011-06-03 | 2012-01-25 | 上海核工程研究设计院 | Separation plate type horizontal locking shock-isolation support |
| CN202284277U (en) * | 2011-09-20 | 2012-06-27 | 深圳市市政设计研究院有限公司 | Multifunctional vibration-isolating device |
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| CN2272458Y (en) * | 1996-10-15 | 1998-01-14 | 铁道部科学研究院铁道建筑研究所 | Lead core rubber support |
| WO2002084030A1 (en) * | 2001-04-12 | 2002-10-24 | Fine Co., Ltd. | Combination-type earthquake-proof apparatus |
| DE10145857B4 (en) * | 2001-08-06 | 2004-11-18 | Roger Hertzfeldt | Bearing construction for the damped transmission of shock and / or vibration forces, especially for structures that are exposed to a seismic load |
| CN1663878A (en) * | 2005-03-16 | 2005-09-07 | 衡水震泰隔震器材有限公司 | Rubber support for oceanic oil platform and preparation method thereof |
| CN201924273U (en) * | 2010-12-14 | 2011-08-10 | 广州大学 | Special shock isolating and absorbing support for railways and bridges |
| CN202124866U (en) * | 2011-06-03 | 2012-01-25 | 上海核工程研究设计院 | Separation plate type horizontal locking shock-isolation support |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464237A (en) * | 2015-12-16 | 2016-04-06 | 上海大学 | Nested type shear locking apparatus on rubber shock insulation support |
| CN106087717A (en) * | 2016-06-28 | 2016-11-09 | 杜桂菊 | Bridge antidumping bearing |
| CN106087717B (en) * | 2016-06-28 | 2017-12-15 | 孙新迪 | Bridge antidumping bearing |
| WO2018014426A1 (en) * | 2016-07-18 | 2018-01-25 | 深圳市市政设计研究院有限公司 | High-damping rubber isolation bearing, intelligent bearing, and bearing monitoring system |
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| Publication number | Publication date |
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| CN103015312B (en) | 2017-02-01 |
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