CN103643749A - Combined shock-insulation support of high-rise building - Google Patents
Combined shock-insulation support of high-rise building Download PDFInfo
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- CN103643749A CN103643749A CN201310687391.4A CN201310687391A CN103643749A CN 103643749 A CN103643749 A CN 103643749A CN 201310687391 A CN201310687391 A CN 201310687391A CN 103643749 A CN103643749 A CN 103643749A
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- 238000009413 insulation Methods 0.000 title abstract description 18
- 229920001971 elastomer Polymers 0.000 claims abstract description 27
- 230000035939 shock Effects 0.000 claims description 43
- 238000002955 isolation Methods 0.000 claims description 30
- 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 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract description 14
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- 238000005516 engineering process Methods 0.000 description 4
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- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000703 anti-shock Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention discloses a combined shock-insulation support of a high-rise building. The support comprises an upper connecting plate, a lower connecting plate, a base plate, standard laminated rubber shock-insulation support bodies, a moving lever, a fixed lever, rubber pads, a limiting plate, tensile adjusting bolts, a returning positioning pin, a positioning ball, a positioning ball support, a limiting and positioning column and a resisting arm. According to the support, problems that the shock-insulation support is inadequate in tensile strength, poor in shock-insulation effect and weak in wind load resistance in the high-rise building are solved; problems that the excessively large displacement can be produced by low damping and the low damping can not overcome the wind load are solved; and the influence of the earthquake force is used, the instability of the positioning ball is exerted, and a shock-insulation self-starting device is designed, so that the support is simple, practical and reliable in performance.
Description
Technical field
The invention belongs to construction engineering technical field, particularly a kind of combined type highrise building shock isolating pedestal.
Background technology
Traditional common earthquake proof construction, to resist mutually with seismic forces by adding the building body intensity such as bar reinforcement, increasing beam column, but seismic forces is very powerful, tend to make building to collapse from the whole fracture of root, the anti-shock methods of this traditional, passive " with firm gram just " is called as hard anti-.Shock-insulation building is between building and basis, a kind of special device---shock isolating pedestal is set, building and ground are separated, isolation seismic energy is to building transmission, earthquake disaster mitigation, this active, the positive shock isolation method with " soft gram just " is called as soft anti-.From antidetonation to shock insulation, modern architecture anti-seismic performance " becomes soft "; Therefore the new trend that, shock-insulation building develops after can becoming.
At present, rubber earthquake isolation support be study in the world and apply at most, technology is the most ripe and effective significant seismic isolation technology, technique is used for middle low layer, in highrise building, to also have following problem to have to be solved in application:
(1) resistance to tension of shock isolating pedestal is not enough
Rubber earthquake isolation support replaces stacked sulfuration adhesion by multilayer rubber and steel plate and forms, and ordinary circumstance undersetting shock isolation system need possess four specific characters: bearer properties, shock insulation characteristic, reset feature, energy dissipation behavior.That is to say the tensile characteristics that the bearing shock isolation system of producing at present does not possess pre-overturn-preventing and lifts from; And highrise building is because depth-width ratio is relatively large, the effect of toppling is obvious; And Vertical Seismic Load is often very large in macroseism, this makes Seismic Isolation of Isolation Layer often lift from phenomenon.
Therefore, shock isolating pedestal tension problem becomes one of major obstacle that seismic isolation technology applies in highrise building.
(2) isolating affection is bad
The high-rise isolating affection of Base-Isolated Building and the horizontal rigidity of shock isolating pedestal (damping) have very big relation, adopt the bearing of low-hardness rubber to be more applicable for highrise building; Highrise building is from great, and the internal damping that during vibration, the intermolecular generation friction of shock isolating pedestal internal material produces is large; The load that highrise building is subject to wind is large, conventionally by strengthening the damping of shock isolating pedestal, guarantees the stable of building, and when damping surpasses certain limit, the larger isolating affection of damping is poorer; Highrise building is long natural vibration period itself, and needs the major diameter bearing that horizontal rigidity is larger, and at this moment Seismic Isolation of Isolation Layer compares a little less than median low structure to the prolongation effect of free vibration period of structure, and isolating affection is difficult to guarantee.
(3) Wind effects is larger
Highrise building is with the also corresponding increasing of load of the increase wind of height.Current solution is the damping that increases shock isolating pedestal, namely increases the horizontal rigidity of shock isolating pedestal to guarantee the stable of building.The in the situation that of violent earthquake, may there is amplification to structural responses such as horizontal accelerations like this.
Summary of the invention
The object of the present invention is to provide and a kind ofly solved that the resistance to tension of shock isolating pedestal in highrise building is not enough, isolating affection is poor, the problem a little less than ant wind load ability; And the combined type highrise building shock isolating pedestal of the problem of the load that the over-large displacement that solution low resistance can produce and low resistance cannot overcome wind.
The technical solution that realizes the object of the invention is:
A combined type highrise building shock isolating pedestal, comprises upper junction plate, lower connecting plate, bed plate, standard stack rubber earthquake isolation support, moving lever, determines lever, rubber pad, limiting plate, tension adjusting screw(rod), reset pilot pin, place kick, place kick bearing, spacing reference column, resistance arm, upper junction plate, lower connecting plate such as is at the large square, standard stack rubber earthquake isolation support is evenly distributed between upper junction plate and lower connecting plate, be positioned on four angles that two junction plates are corresponding, upper junction plate is connected with lower connecting plate, determining lever is U-shaped structure, two sides of U-shaped structure are vertical with base, openend and the upper junction plate of U-shaped structure are connected, the closing end middle part of U-shaped structure is fixedly connected with cylindrical spacing reference column below, spacing reference column one end down has bar locating hole, moving lever is strip structure, determine base between two sides of lever above, moving lever with determine lever and become right-angled intersection setting, under moving lever two ends, rubber pad is set respectively, limiting plate is fixed on the upper surface of lower connecting plate, on limiting plate, have round spacing hole, the horizontal direction upper limit of spacing reference column in spacing hole, lower connecting plate centre has a circular hole to challenge locating hole, tension adjusting screw(rod) is from bottom to top through the plate screw hole on lower connecting plate, the adjusting screw at rubber pad centre bore and moving lever two ends, between lower connecting plate and bed plate, by the steel column being evenly distributed on four angles of lower connecting plate and bed plate, be connected, bed plate center is welded with place kick bearing, place kick is movably arranged on the top of place kick bearing, reset pilot pin top is cone, bottom is cylinder, respectively there is a resistance arm vertical with cylinder both sides, cylinder lower end, and cylinder bottom surface axially has screw, have been threaded connection screw rod in screw, reset pilot pin bottom screw rod is movably arranged on the top of place kick, and the upper end of reset pilot pin is through plate locating hole, insertion rod locating hole.
The present invention compared with prior art, its remarkable advantage:
(1) combined type highrise building shock isolating pedestal of the present invention forms one owing to determining lever, upper junction plate and building, moving lever, lower connecting plate, bed plate and ground form one, moving lever is pressed in top one-tenth " ten " font intersection of determining lever, vertical directions cannot move in opposite directions, so whole bearing has powerful tension effect.
(2) combined type highrise building shock isolating pedestal of the present invention adopts standard stack neoprene bearing; damping is little; isolating affection is good; the displacement producing is large; spacing reference column moves in spacing hole; during the two contact, there is the effect of rigid limit, destroyed so the Seismic Isolation of Isolation Layer of bearing over-large displacement can not occur, bearing Seismic Isolation of Isolation Layer is had to good defencive function.
(3) combined type highrise building shock isolating pedestal reset pilot pin of the present invention enters bar locating hole through plate locating hole from bottom to top, and the rigid location during without shake is highly resistant to the load of wind, stops the displacement of building occurred level; Reach the effect of ant wind load.
(4) combined type highrise building shock isolating pedestal of the present invention is when horizontal seismic force acquires a certain degree, place kick on place kick bearing disequilibrium and roll from, the reset pilot pin of shoring by place kick loses support, at Action of Gravity Field downslide rod locating hole, positioning function is removed, and shock insulation function starts immediately; Can play the self-starting effect of shock insulation.
(5) combined type highrise building shock isolating pedestal of the present invention adopts four standard stack neoprene bearings, and this bearing is damping minimum in all laminated rubber bases, so isolating affection is good.In addition, the damping of bearing is little, and the whipping effect that superstructure produces is also little, and building is had to good protective effect.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the perspective view of combined type highrise building shock isolating pedestal of the present invention.
Fig. 2 is the stereo decomposing structural representation of combined type highrise building shock isolating pedestal of the present invention.
The specific embodiment
A kind of combined type highrise building of the present invention shock isolating pedestal, comprises upper junction plate 1, lower connecting plate 2, bed plate 3, standard stack rubber earthquake isolation support 4, moving lever 5, determines lever 6, rubber pad 7, limiting plate 8, tension adjusting screw(rod) 9, reset pilot pin 10, place kick 11, place kick bearing 12, spacing reference column 14, resistance arm 19, upper junction plate 1, lower connecting plate 2 such as is at the large square, standard stack rubber earthquake isolation support 4 is evenly distributed between upper junction plate 1 and lower connecting plate 2, be positioned on four angles that two junction plates are corresponding, upper junction plate 1 is connected with lower connecting plate 2, determine lever 6 for U-shaped structure, two sides of U-shaped structure are vertical with base, the openend of U-shaped structure and upper junction plate 1 are connected, the closing end middle part of U-shaped structure is fixedly connected with cylindrical spacing reference column 14 below, spacing reference column 14 one end down has bar locating hole 15, moving lever 5 is strip structure, determine base between 6 two sides of lever above, move lever 5 and determine 6 one-tenth right-angled intersection settings of lever, under moving lever 5 two ends, rubber pad 7 is set respectively, limiting plate 8 is fixed on the upper surface of lower connecting plate 2, on spacing steel plate 8, have round spacing hole 17, the horizontal direction upper limit of spacing reference column 14 in spacing hole 17, lower connecting plate 2 centres have a circular hole to challenge locating hole 18, tension adjusting screw(rod) 9 is from bottom to top through the plate screw hole 16 on lower connecting plate 2, the adjusting screw 13 at rubber pad 7 centre bores and moving lever 5 two ends, between lower connecting plate 2 and bed plate 3, by the steel column being evenly distributed on 3 four angles of lower connecting plate 2 and bed plate, be connected, bed plate 3 centers are welded with place kick bearing 12, place kick 11 is movably arranged on the top of place kick bearing 12, reset pilot pin 10 tops are cones, bottom is cylinder, respectively there is a resistance arm vertical with cylinder 19 both sides, cylinder lower end, and cylinder bottom surface axially has screw, have been threaded connection screw rod in screw, reset pilot pin 10 bottom screw rods are movably arranged on the top of place kick 11, and the upper end of reset pilot pin 10 is through plate locating hole 18, insertion rod locating hole 15.
Place kick bearing 12 adopts steel ring.
The middle part of bed plate 3 is higher than surrounding.
The duty of combined type highrise building shock isolating pedestal shows as three aspects:
First: motionless layer during shake
By upper junction plate 1 be attached thereto the lever 6 of determining connecing and form, they and building connect together and form wholely, during earthquake, in basic inactive state, are also the optimum states that shock insulation design will reach.
Second: Seismic Isolation of Isolation Layer
Four large standard stack rubber earthquake isolation supports 4 such as grade, consist of, damping is little, and isolating affection is good, can stop earth shock to be conducted to superstructure.
The the 3rd: displacement layer during shake
By moving lever 5, rubber pad 7, tension adjusting screw(rod) 9, lower connecting plate 2 and bed plate 3, formed, they and ground connect together form whole, during horizontal earthquake with ground moving.
Combined type highrise building shock isolating pedestal operating principle:
1, tension
When shock isolating pedestal tension, the transmission of power:
Upper junction plate 1(power is upwards) → determine lever 6(power upwards) → to move lever 5(power downward) → tension adjusting screw(rod) 9(power is downward) → lower connecting plate 2(power is downward) → bed plate 3 and ground.
2, spacing
When ground horizontal movement is excessive, the transmission of power:
Ground → bed plate 3 and lower connecting plate 2 → limiting plate 8 → spacing hole 17 → spacing reference column 14 → determine lever 6 → upper junction plate 1 → building compensatory translation.
3, location
When producing the load of wind, the transmission of power:
Wind → building → upper junction plate 1 → determine lever 6 → spacing reference column 14 → bar locating hole 15 → reset pilot pin 10 → plate locating hole 18 → lower connecting plate, 2 → bed plate 3 and ground.
4, start shock insulation function
When horizontal seismic force acquires a certain degree, due to place kick bearing 12(steel ring) little, place kick 11(steel ball) large, place kick 11 horizontal position poor stabilities, place kick 11 and place kick bearing 12, bed plate 3 can not be synchronized with the movement, place kick 11 tumbles on bed plate 3 from place kick bearing 12, and because bed plate middle part is slightly high, place kick can not stop at middle part, reset pilot pin 10 loses support, at Action of Gravity Field downslide eject lever locating hole 15, positioning function is removed, and shock insulation function starts.
Big or small when constant when place kick 11, the stability of place kick 11 depends on the size of place kick bearing 12, i.e. place kick bearing 12 good stability greatly, the little poor stability of place kick bearing 12.
5, the effective shock insulation of low resistance
Owing to there being positioner, without by strengthening bearing damping, improve initial stiffness and control wind reaction.Seismic Isolation of Isolation Layer adopts standard stack rubber earthquake isolation support 4, and its damping is little, can play the effectively isolating affection of " defeating a force with a tenderness ".
The operating principle of reset pilot pin 10:
Reset pilot pin 10 tops are cones, and bottom is cylinder, and both sides, cylinder lower end respectively have a wing projection to be resistance arm 19, and there is an axial screw at place, center, bottom surface, cylinder lower end, has a screw rod in screw.
The effect of cone
Because the load of highrise building institute wind-engaging is larger, and the factor such as aging, the damage of bearing, the original reset function of bearing can not allow building reset completely after shake, and the longitudinal center line of bar locating hole 15 and plate locating hole 18 is not point-blank.
Reset pilot pin 10 is upwards (jack) firmly, centrum inclined-plane lateral compression bar locating hole 15 import departments (import department micro-" eight " font, reduces extruding centrum inclined-plane is caused to damage, avoids increasing reset difficulty), allow building reset completely, continue upwards to complete positioning function.
The effect of bottom screw rod
Under the support of place kick 11, the resistance arm 19 of fixed reset pilot pin 10 bottoms, the rotation by bottom screw rod regulates, and the pilot pin 10 column part upper ends of guaranteeing to reset enter in bar locating hole 15, make it to reach reliable emplacement depth.In addition, screw rod bottom and place kick 11 can contact surface little, quick release location function while being more conducive to earthquake like this, starts shock insulation function immediately.
The effect of rubber pad
Highrise building is from great, and the compressed reduction of Seismic Isolation of Isolation Layer height meeting, now moves lever and determine the vertical distance increasing between lever, affects the stability of building.Tension adjusting screw(rod) rotates in the adjusting screw of moving lever, drives the moving downward compressing rubber pad of lever, and adjusting moving lever and determining between lever is zero distance contact, guarantees the stable of building.Balance support moves lever, keeps two levers in parastate, the horizontal movement while not affecting shake.
The solution of the present invention has solved the deficiency that shock isolating pedestal is applied in highrise building (resistance to tension not enough, isolating affection load poor, wind large); While solving traditional problem, occur that new problem is also resolved (load that low resistance generation over-large displacement limited location device, low resistance cannot overcome wind has positioner); Utilize the impact of seismic forces, send out the unstability of Hui steel ball, the self-starting device of innovation shock insulation, simple and practical, dependable performance; Multi-functional organic assembling, is convenient to batch production and produces, and building operations is convenient.
Claims (5)
1. a combined type highrise building shock isolating pedestal, is characterized in that: comprise upper junction plate (1), lower connecting plate (2), bed plate (3), standard stack rubber earthquake isolation support (4), moving lever (5), determine lever (6), rubber pad (7), limiting plate (8), tension adjusting screw(rod) (9), reset pilot pin (10), place kick (11), place kick bearing (12), spacing reference column (14), resistance arm (19), upper junction plate (1), lower connecting plate (2) such as is at the large square, standard stack rubber earthquake isolation support (4) is evenly distributed between upper junction plate (1) and lower connecting plate (2), be positioned on four angles that two junction plates are corresponding, upper junction plate (1) is connected with lower connecting plate (2), determine lever (6) for U-shaped structure, two sides of U-shaped structure are vertical with base, the openend of U-shaped structure and upper junction plate (1) are connected, the closing end middle part of U-shaped structure is fixedly connected with cylindrical spacing reference column (14) below, spacing reference column (14) one end down has bar locating hole (15), moving lever (5) is strip structure, be positioned at the top of determining the base between (6) two sides of lever, moving lever (5) with determine lever (6) and become right-angled intersection setting, under moving lever (5) two ends, rubber pad (7) is set respectively, limiting plate (8) is fixed on the upper surface of lower connecting plate (2), on limiting plate (8), have round spacing hole (17), the horizontal direction upper limit of spacing reference column (14) in spacing hole (17), lower connecting plate (2) centre has a circular hole to challenge locating hole (18), tension adjusting screw(rod) (9) is from bottom to top through the plate screw hole (16) on lower connecting plate (2), the adjusting screw (13) at rubber pad (7) centre bore and moving lever (5) two ends, between lower connecting plate (2) and bed plate (3), by the steel column being evenly distributed on (3) four angles of lower connecting plate (2) and bed plate, be connected, bed plate (3) center is welded with place kick bearing (12), place kick (11) is movably arranged on the top of place kick bearing (12), reset pilot pin (10) top is cone, bottom is cylinder, respectively there is a resistance arm vertical with cylinder (19) both sides, cylinder lower end, cylinder bottom surface axially has screw, has been threaded connection screw rod in screw, reset pilot pin (10) bottom screw rod is movably arranged on the top of place kick (11), and the upper end of reset pilot pin (10) is through plate locating hole (18), insertion rod locating hole (15).
2. a kind of combined type highrise building shock isolating pedestal according to claim 1, is characterized in that: described upper junction plate (1), lower connecting plate (2), bed plate (3), moving lever (5), determine lever (6), limiting plate (8), tension adjusting screw(rod) (9), reset pilot pin (10), resistance arm (19), spacing reference column (14) and all adopt steel material.
3. a kind of combined type highrise building shock isolating pedestal according to claim 1, is characterized in that: described place kick (11) adopts steel ball.
4. a kind of combined type highrise building shock isolating pedestal according to claim 1, is characterized in that: described place kick bearing (12) adopts steel ring.
5. a kind of combined type highrise building shock isolating pedestal according to claim 1, is characterized in that: the middle part of described bed plate (3) is higher than surrounding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310687391.4A CN103643749B (en) | 2013-12-13 | 2013-12-13 | Combined type highrise building shock isolating pedestal |
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| CN201310687391.4A CN103643749B (en) | 2013-12-13 | 2013-12-13 | Combined type highrise building shock isolating pedestal |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981951A (en) * | 2014-05-30 | 2014-08-13 | 刘浩琳 | Combined ball shock insulation support |
| CN107190878A (en) * | 2017-07-26 | 2017-09-22 | 广州大学 | A kind of rubber hose rolling shock isolating pedestal for base isolation building system |
| CN109676744A (en) * | 2018-11-30 | 2019-04-26 | 颍上县皖佳保木业有限责任公司 | A kind of seamless edge banding apparatus of timber processing |
| CN109722986A (en) * | 2018-12-11 | 2019-05-07 | 九江职业技术学院 | A kind of pivoting friction damping support device |
| CN110552546A (en) * | 2019-09-18 | 2019-12-10 | 中建二局第二建筑工程有限公司 | method for building underground parking lot waterproof facility by using tower crane |
| CN119507572A (en) * | 2025-01-14 | 2025-02-25 | 山西省建筑科学研究院检测中心有限公司 | Building shock insulation rubber support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107190878A (en) * | 2017-07-26 | 2017-09-22 | 广州大学 | A kind of rubber hose rolling shock isolating pedestal for base isolation building system |
| CN109676744A (en) * | 2018-11-30 | 2019-04-26 | 颍上县皖佳保木业有限责任公司 | A kind of seamless edge banding apparatus of timber processing |
| CN109722986A (en) * | 2018-12-11 | 2019-05-07 | 九江职业技术学院 | A kind of pivoting friction damping support device |
| CN110552546A (en) * | 2019-09-18 | 2019-12-10 | 中建二局第二建筑工程有限公司 | method for building underground parking lot waterproof facility by using tower crane |
| CN110552546B (en) * | 2019-09-18 | 2020-11-10 | 中建二局第二建筑工程有限公司 | Method for building underground parking lot waterproof facility by using tower crane |
| CN119507572A (en) * | 2025-01-14 | 2025-02-25 | 山西省建筑科学研究院检测中心有限公司 | Building shock insulation rubber support |
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