CN207794150U - A kind of earthquake resistance and prevention device for building - Google Patents

Abstract

The utility model discloses a kind of earthquake resistance and prevention devices for building, including structure foundation, the top base detached up and down and the bottom base being located on the structure foundation and be located between bottom base and top base and in the horizontal direction release the antitorque of seismic energy subtract wave apparatus, the upper surface of the top base is fixed with buffing pad, subtract wave apparatus equipped with antitorque between upside of ellipse cambered surface and lower half elliptical arc surface, it is described it is antitorque subtract wave apparatus include can roll subtract wave ellipsoid, multiple placing grooves are provided on buffing pad, placing groove is equipped with the buffer unit for discharging seismic energy in the vertical direction.The utility model by equipped with it is antitorque subtract wave apparatus and buffer unit, can effectively absorb the energy of secondary wave and longitudinal wave, service life is long, and anti-twisting property is strong, can preferably make building from seismic wave damage, keep superstructure it is more steady.

Description

A kind of earthquake resistance and prevention device for building

Technical field

The utility model is related to a kind of antiseismic structure more particularly to a kind of earthquake resistance and prevention devices for building.

Background technology

Earthquake is very big with destructiveness due to being difficult to forecast in time, becomes one of major casualty and the world in human lives Various countries are to the important topic of the shockproof research of building, however existing shockproof structure is mainly improved and ground in shock strength Study carefully, anti-seismic performance is restricted.P wave makes building pitch, and building has little time and then to move, and makes bottom pillar Increase dynamic load suddenly with wall, the gravity pressure on superposition building top, if the bearing capacity beyond bottom column, wall, bottom is just Can collapse, above it is several layers of as hammer is pounded, allow whole building " seat " to get off；Shear wave makes building horizontal pan, if bottom Portion's column, the intensity of wall or deformability are inadequate, and whole solitary building will be crooked to same direction or be toppled over；If seismic wave is to be turned on " whirlpool " comes, or the time difference that shear wave reaches building both ends occurs, may result in building twisting.Building is generally anti- Torsion ability is poor, and China's earthquake in recent years, which takes place frequently, causes serious personal's injures and deaths, and earthquake tends to occur very suddenly, in people have no In the case of preparation, if bigger, many people are lost life by injures and deaths caused by especially occurring at dead of night in one's sleep.It is existing It is all placed in bed top in most earthquake protecting device, seismic wave of the release action on building is unable to, can only protect limited Object in range cannot protect building.

Therefore, there is an urgent need for a kind of low cost, using effect is good, anti-twisting property is strong, building can be widely used in, constructed The earthquake resistance and prevention device of object, bridge etc., i.e., a kind of earthquake resistance and prevention device for building.

Utility model content

Problem to be solved in the utility model is to provide a kind of earthquake resistance and prevention device for building, by equipped with it is anti- Torsion subtracts wave apparatus and buffer unit, can effectively absorb the energy of secondary wave and longitudinal wave, service life is long, and anti-twisting property is strong, energy So that building is damaged from seismic wave, keeps superstructure more steady, carried so as to effectively solve above-mentioned background To the technical issues of.

For this purpose, existing, the following technical solutions are proposed：

A kind of earthquake resistance and prevention device for building, including structure foundation, the top base that detaches up and down and it is located at institute It states the bottom base on structure foundation and is located between bottom base and top base and is used to discharge seismic wave energy in the horizontal direction The antitorque of amount subtracts wave apparatus, and the upper surface of the top base is fixed with buffing pad, upper with bottom base below the top base Face is equipped with multiple mutual corresponding upside of ellipse cambered surfaces and lower half elliptical arc surface, and adjacent institute in horizontal respectively in same level It is connected between stating upside of ellipse cambered surface and elliptical cavity that lower half elliptical arc surface is surrounded, the upside of ellipse cambered surface and lower half are ellipse Be equipped between arc surface it is antitorque subtract wave apparatus, it is described it is antitorque subtract wave apparatus include can roll subtract wave ellipsoid, it is described to subtract wave Ellipsoid is equipped with spherical pieces, adjacent institute on horizontal diameter direction and being equidistantly set to four spherical grooves in the spherical groove The connectivity part stated between spherical pieces across the elliptical cavity that the upside of ellipse cambered surface and lower half elliptical arc surface are surrounded is solid Surely it is connected with spring one, described subtract also is equipped with built-in slot vertically in the middle part of wave ellipsoid, spring two, and institute are equipped in the built-in slot State built-in slot be connected to up and down and be provided with vertically subtract wave ellipsoid slot and under subtract wave ellipsoid slot, the top base subtracts in upper The corresponding position of wave ellipsoid slot is provided with top base slot, and the corresponding position that the bottom base subtracts wave ellipsoid slot under is provided with Bottom base slot, top base slot upper end are equipped with uplink block, and top base slot is passed through between the uplink block and spring two and is above subtracted Wave ellipsoid slot is fixedly connected with steel wire one, and bottom base slot lower end is equipped with downlink block, is worn between the downlink block spring two Cross bottom base slot and under subtract wave ellipsoid slot and be fixedly connected with steel wire two；Multiple placing grooves are provided on the buffing pad, it is described to put It sets slot and the buffer unit for discharging seismic energy in the vertical direction is installed, the buffer unit includes be fixed on top base upper Surface and the overhanging draw being fixedly connected with the placing groove inner wall, are additionally provided with interior telescoping tube in the overhanging draw, it is described in It between telescoping tube and the overhanging draw and is sheathed on interior telescoping tube periphery and is equipped with outer spring, be additionally provided in the casing of the interior telescoping tube The inner spring being fixedly connected with loop bar.

The elliptical cavity that further improvement of these options, the upside of ellipse cambered surface and lower half elliptical arc surface are surrounded Subtract wave ellipsoid more than described.

The elliptical cavity that further improvement of these options, the upside of ellipse cambered surface and lower half elliptical arc surface are surrounded With subtract the line of ellipsoidal two focuses of wave each parallel to horizontal plane.

Further improvement of these options, the opening diameter of the spherical groove are less than the diameter of spherical pieces.

Compared with prior art, the beneficial effects of the utility model are：

（1）The utility model subtracts wave apparatus by the way that setting is antitorque, makes building that can integrally seismic wave be followed to move, can Enough shear wave energy of the release action on building in the horizontal direction, protection building caves in from twisting, and upper half is ellipse Cavity that arc surface and lower half elliptical arc surface are surrounded and to subtract wave ellipsoid be ellipse, can discharge in the horizontal direction Act on the shear wave energy above building.Subtract the advantages of wave ellipsoid subtracts wave body compared to spherical shape to be, be similarly provided at ellipse Under the premise of cylindrical cavity or spherical cavity, spherical shape subtracts the rolling range very little of wave body, can only absorb the energy of less secondary wave, nothing The large range of rolling of method, and it is not easy homing, it is in addition also difficult to be released effectively the shear wave energy acted on above building It measures and makes superstructure is caved in there is a phenomenon where twisting to occur.And subtract wave ellipsoid, due to subtracting ellipsoidal two focuses of wave Line each parallel to horizontal plane, it is larger on the one hand to roll amplitude, it is easier to address shear wave is absorbed, in addition between adjacent spherical pieces Connectivity part across the elliptical cavity that upside of ellipse cambered surface and lower half elliptical arc surface are surrounded is fixedly connected with spring one, nothing It is horizontal in preceding or P wave and earthquake in preceding or secondary wave from what direction or with P wave by seismic wave Wave is turned on what " whirlpool " came, on the one hand the adjacent wave ellipsoid that subtracts can roll shear wave energy with release action on building On the other hand amount subtracts wave ellipsoid and pulls phase to the adjacent wave ellipsoid that subtracts in surrounding either direction with restoring force by spring one Neighbour subtracts the reset of wave ellipsoid, prevents and subtracts wave ellipsoid to roll amplitude larger and superstructure twisting the phenomenon that caving in is caused to be sent out It is raw.Therefore, the antitorque wave apparatus that subtracts described in the utility model not only can guarantee absorption secondary wave well, but also just right can carry Height subtracts the ellipsoidal rolling amplitude of wave to improve the energy-absorbing to secondary wave, avoids leading because of secondary wave energy-absorbing effect unobvious Upper layer detection is caused to continue under the influence of secondary wave and run-off the straight is caved in the generation of phenomenon, moreover it is possible to avoid subtracting the rolling of wave ellipsoid Dynamic amplitude is excessive and leads to that superstructure amount of shifting due to roll angle is excessive is excessive and building twisting is caused to be caved in The phenomenon that occur.

（2）The utility model by the way that multiple wave ellipsoids that subtract are connected into an entirety by spring one, and it is adjacent it Between subtract wave ellipsoid roll when can to periphery subtract wave ellipsoid generate reply pulling force function and effect, to significantly improve To the absorption of secondary wave, avoid to reply or reply the undesirable phenomenon of effect due to individually subtracting wave body and rolling Occur.To make whole building have the effect of more good earthquake resistance and prevention.

（3）The utility model by top base, bottom base and subtracting be fixedly connected between wave ellipsoid steel wire and Spring by top base, bottom base and subtracts wave ellipsoid and is linked to be an entirety, on the one hand improves the earthquake resistance and prevention of whole building On the other hand the integral strength of device improves energy-absorbing function to secondary wave again, and can also improve that subtract wave ellipsoidal Recovery capacity, moreover it is possible to ellipse is improved and subtracts wave ellipsoid the phenomenon that being returned to initial position, preventing from shifting after replying, Improve the service life of the earthquake resistance and prevention device of building.

（4）The utility model by equipped with buffer unit, can effectively buffer the vibration of the longitudinal wave of earthquake generation, and can keep away Exempt from spring easily occur when buffering the vibration of the longitudinal wave of earthquake generation by simple spring crooked and cause superstructure crooked The phenomenon that occur, and the service life of simple spring buffer is relatively low.Present patent application by the combination of spring and telescopic sleeve, On the one hand it prevents buffer unit from occurring crooked, in addition spring is set in telescopic sleeve, the service life of spring can be effectively improved, In addition the use of dual spring can also increase the buffering effect to P wave.

（5）The earthquake resistance and prevention apparatus structure of building described in the utility model is simple, and earthquake resistance and prevention effect is good, service life Long, anti-twisting property is strong, and building can preferably be made to be damaged from seismic wave, keeps superstructure more steady.

Description of the drawings

Fig. 1 is the structural schematic diagram of the earthquake resistance and prevention device of building described in the utility model；

Fig. 2 is that antitorque in the earthquake resistance and prevention device of building described in the utility model subtracts wave apparatus structural schematic diagram；

Fig. 3 is the buffer unit structure schematic diagram in the earthquake resistance and prevention device of building described in the utility model.

Specific implementation mode

To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below In conjunction with specific implementation mode, the utility model is expanded on further.

Embodiment

As attached drawing 1 arrives a kind of attached earthquake resistance and prevention device for building shown in Fig. 3, including it is structure foundation 1, upper and lower It the top base 2 of separation and the bottom base 201 being located on the structure foundation 1 and is located between bottom base 201 and top base 2 And subtracting wave apparatus for release the antitorque of seismic energy in the horizontal direction, the upper surface of the top base 2 is fixed with buffing pad 3, below the top base 2 with the upper surface of bottom base 201 in same level respectively it is horizontal be equipped with it is multiple mutual corresponding Upside of ellipse cambered surface and lower half elliptical arc surface, and the ellipse that the adjacent upside of ellipse cambered surface and lower half elliptical arc surface are surrounded is empty It is connected between chamber, subtracts wave apparatus equipped with antitorque between the upside of ellipse cambered surface and lower half elliptical arc surface, the antitorque wave that subtracts fills It sets and subtracts wave ellipsoid 7 including what can be rolled, the wave ellipsoid 7 that subtracts is on horizontal diameter direction and equidistantly set on four balls Shape slot 16 is equipped with spherical pieces 6 in the spherical groove 16, passed through between the adjacent spherical pieces 6 the upside of ellipse cambered surface and Connectivity part between the elliptical cavity that lower half elliptical arc surface is surrounded is fixedly connected with spring 1, described to subtract 7 middle part of wave ellipsoid It it is also equipped with built-in slot 5 vertically, is equipped with spring 2 12 in the built-in slot 5, and the built-in slot 5 is connected to and opens vertically up and down Subtract wave ellipsoid slot 11 on having and subtract wave ellipsoid slot 21 under, the top base 2 is in the upper corresponding position for subtracting wave ellipsoid slot 11 Place is provided with top base slot 10, and the corresponding position that the bottom base 201 subtracts wave ellipsoid slot 21 under is provided with bottom base slot 14, institute It states 10 upper end of top base slot and is equipped with uplink block 8, top base slot 10 is passed through between the uplink block 8 and spring 2 12 and above to subtract wave ellipse Circle slot 11 is fixedly connected with steel wire 1, and 14 lower end of bottom base slot is equipped with downlink block 13,13 spring 2 12 of the downlink block Between pass through bottom base slot 14 and under subtract wave ellipsoid slot 21 and be fixedly connected with steel wire 2 15；It is provided on the buffing pad 3 multiple Placing groove, the placing groove are equipped with the buffer unit for discharging seismic energy in the vertical direction, and the buffer unit includes solid The overhanging draw 20 for being scheduled on the upper surface of top base 2 and being fixedly connected with the placing groove inner wall, the overhanging draw 20 are interior also Equipped with interior telescoping tube 19, between the interior telescoping tube 19 and the overhanging draw 20 and 19 periphery of interior telescoping tube is sheathed on equipped with outer spring 18, the inner spring 17 being fixedly connected with loop bar is additionally provided in the casing of the interior telescoping tube 19.

In the present embodiment, the elliptical cavity that the upside of ellipse cambered surface and lower half elliptical arc surface are surrounded is more than described subtract Wave ellipsoid 7.

In the present embodiment, the elliptical cavity and subtract wave ellipse that the upside of ellipse cambered surface and lower half elliptical arc surface are surrounded The line of two focuses of body 7 is each parallel to horizontal plane.

In the present embodiment, the opening diameter of the spherical groove 16 is less than the diameter of spherical pieces 6.

The utility model subtracts wave apparatus by the way that setting is antitorque, makes building that can integrally seismic wave be followed to move, can Shear wave energy of the release action on building in the horizontal direction, protection building caves in from twisting, and upside of ellipse Cavity that cambered surface and lower half elliptical arc surface are surrounded and to subtract wave ellipsoid be ellipse, can discharge work in the horizontal direction Shear wave energy above building.Subtract the advantages of wave ellipsoid subtracts wave body compared to spherical shape to be, is similarly provided at ellipse Under the premise of chamber or spherical cavity, spherical shape subtracts the rolling range very little of wave body, can only absorb the energy of less secondary wave, can not Large range of rolling, and it is not easy homing, it is in addition also difficult to be released effectively the shear wave energy acted on above building And make superstructure is caved in there is a phenomenon where twisting to occur.And subtract wave ellipsoid, due to subtracting ellipsoidal two focuses of wave On the one hand line it is larger to roll amplitude, it is easier to absorb address shear wave, in addition be worn between adjacent spherical pieces each parallel to horizontal plane Connectivity part between crossing upside of ellipse cambered surface and elliptical cavity that lower half elliptical arc surface is surrounded is fixedly connected with spring one no matter Seismic wave is in preceding or secondary wave from what direction or with P wave in preceding or P wave and secondary wave It is turned on what " whirlpool " came, on the one hand the adjacent wave ellipsoid that subtracts can roll shear wave energy with release action on building, On the other hand subtract wave ellipsoid by spring one to adjacent in surrounding either direction subtract wave ellipsoid pulled with restoring force it is adjacent Subtract the reset of wave ellipsoid, prevents and subtract wave ellipsoid to roll amplitude larger and superstructure twisting the phenomenon that caving in is caused to be sent out It is raw.Therefore, the antitorque wave apparatus that subtracts described in the utility model not only can guarantee absorption secondary wave well, but also just right can carry Height subtracts the ellipsoidal rolling amplitude of wave to improve the energy-absorbing to secondary wave, avoids leading because of secondary wave energy-absorbing effect unobvious Upper layer detection is caused to continue under the influence of secondary wave and run-off the straight is caved in the generation of phenomenon, moreover it is possible to avoid subtracting the rolling of wave ellipsoid Dynamic amplitude is excessive and leads to that superstructure amount of shifting due to roll angle is excessive is excessive and building twisting is caused to be caved in The phenomenon that occur.One entirety is connected by spring one additionally by by multiple wave ellipsoids that subtract, and it is adjacent between subtract Wave ellipsoid can be to the function and effect for subtracting wave ellipsoid and generating reply pulling force on periphery, to significantly improve over the ground when rolling The absorption for shaking shear wave, the undesirable phenomenon of effect can not be replied or reply because individually subtracting wave body and rolling by, which avoiding, occurs. To make whole building have the effect of more good earthquake resistance and prevention.Also by top base, bottom base and to subtract wave ellipse It is fixedly connected with steel wire and spring between circle, by top base, bottom base and subtracts wave ellipsoid and is linked to be an entirety, a side The integral strength of the earthquake resistance and prevention device of whole building is improved in face, on the other hand improves the energy-absorbing work to secondary wave again With and can also improving and subtract the ellipsoidal recovery capacity of wave, moreover it is possible to improve ellipse and subtract wave ellipsoid and be returned to initial position, prevent The phenomenon that shifting after non-return is multiple, improves the service life of the earthquake resistance and prevention device of building.The buffer unit energy Effectively buffering earthquake generate longitudinal wave vibration, and can avoid by simple spring come buffer earthquake generation longitudinal wave vibration when It is crooked and the crooked phenomenon of superstructure is caused to occur easily to there is spring, and the service life of simple spring buffer compared with It is low.On the one hand the combination of spring and telescopic sleeve is prevented buffer unit from occurring crooked, is in addition set to spring by present patent application In telescopic sleeve, the service life of spring can be effectively improved, the in addition use of dual spring can also increase to P wave Buffering effect.

Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate that this practicality is new Type, and be not used as the restriction to the utility model, as long as in the spirit of the utility model, to the above Variation, the modification of embodiment will all be fallen in the right of the utility model.

Claims (4)

1. a kind of earthquake resistance and prevention device for building, including structure foundation（1）, it is characterised in that：Further include dividing up and down From top base（2）Be located at the structure foundation（1）On bottom base（201）And it is located at bottom base（201）With upper base Seat（2）Between and in the horizontal direction release the antitorque of seismic energy subtract wave apparatus, the top base（2）Upper surface it is solid Surely there is buffing pad（3）, the top base（2）Below with bottom base（201）The upper surface of in level is set respectively in same level There are multiple mutual corresponding upside of ellipse cambered surfaces and lower half elliptical arc surface, and the adjacent upside of ellipse cambered surface and lower semiellipse arc It is connected between the elliptical cavity that face is surrounded, the antitorque wave that subtracts is equipped between the upside of ellipse cambered surface and lower half elliptical arc surface and is filled Set, it is described it is antitorque subtract wave apparatus include can roll subtract wave ellipsoid（7）, described to subtract wave ellipsoid（7）In horizontal diameter side It is set to upwards and equidistantly four spherical grooves（16）, the spherical groove（16）Inside it is equipped with spherical pieces（6）, the adjacent spherical pieces （6）Between connectivity part across the elliptical cavity that the upside of ellipse cambered surface and lower half elliptical arc surface are surrounded be fixedly connected There is spring one（4）, described to subtract wave ellipsoid（7）Middle part is also equipped with built-in slot vertically（5）, the built-in slot（5）It is interior to be equipped with spring Two（12）, and the built-in slot（5）Be connected to up and down and be provided with subtract wave ellipsoid slot vertically（11）Subtract wave ellipsoid under Slot（21）, the top base（2）Subtract wave ellipsoid slot in upper（11）Corresponding position be provided with top base slot（10）, the lower base Seat（201）Subtract wave ellipsoid slot under（21）Corresponding position be provided with bottom base slot（14）, the top base slot（10）Upper end Equipped with uplink block（8）, the uplink block（8）With spring two（12）Between pass through top base slot（10）Above subtract wave ellipsoid slot （11）It is fixedly connected with steel wire one（9）, the bottom base slot（14）Lower end is equipped with downlink block（13）, the downlink block（13）Spring Two（12）Between pass through bottom base slot（14）Subtract wave ellipsoid slot under（21）It is fixedly connected with steel wire two（15）；The buffing pad （3）On be provided with multiple placing grooves, the placing groove is equipped with the buffer unit for discharging seismic energy in the vertical direction, described slow Flushing device includes being fixed on top base（2）Upper surface and the overhanging draw that is fixedly connected with the placing groove inner wall（20）, institute State the overhanging draw（20）Inside it is additionally provided with interior telescoping tube（19）, the interior telescoping tube（19）With the overhanging draw（20）Between and be sheathed on Interior telescoping tube（19）Periphery is equipped with outer spring（18）, the interior telescoping tube（19）Casing in be additionally provided with and be fixedly connected with loop bar Inner spring（17）.

2. a kind of earthquake resistance and prevention device for building according to claim 1, it is characterised in that：The upside of ellipse The elliptical cavity that cambered surface and lower half elliptical arc surface are surrounded subtracts wave ellipsoid described in being more than（7）.

3. a kind of earthquake resistance and prevention device for building according to claim 1, it is characterised in that：The upside of ellipse The elliptical cavity and subtract wave ellipsoid that cambered surface and lower half elliptical arc surface are surrounded（7）Two focuses line each parallel to level Face.

4. a kind of earthquake resistance and prevention device for building according to claim 1, it is characterised in that：The spherical groove （16）Opening diameter be less than spherical pieces（6）Diameter.