CN108005249A - The Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation - Google Patents

The Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation Download PDF

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Publication number
CN108005249A
CN108005249A CN201711274305.1A CN201711274305A CN108005249A CN 108005249 A CN108005249 A CN 108005249A CN 201711274305 A CN201711274305 A CN 201711274305A CN 108005249 A CN108005249 A CN 108005249A
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CN
China
Prior art keywords
building
limit baffle
cylinder
fitting
isolation layer
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Application number
CN201711274305.1A
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Chinese (zh)
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CN108005249B (en
Inventor
潘钦锋
薛潘荣
颜桂云
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Fujian University of Technology
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Fujian University of Technology
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings

Abstract

The present invention provides a kind of Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation; including upper built-in fitting, lower built-in fitting, outer pipe sections, power transmission unit, position-limiting unit and articulated mounting; device is installed on building first floor interlayer, and position limitation protection is carried out to the Seismic Isolation of Isolation Layer of building first floor capital shock insulation.

Description

The Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation
Technical field
The present invention relates to a kind of engineering structure damping and technical field of isolation, more particularly to a kind of building first floor capital shock insulation Seismic Isolation of Isolation Layer limiting and protecting device.
Background technology
Building first floor capital shock insulation is a kind of effective, economy and the structural damping new technology and new system of practicable.By In building first floor capital isolation structure on design and construction, comparative basis shock insulation makes it take nearly ten years there are superiority Significant progress was obtained, application is more and more extensive.However, due to the randomness of earthquake motion, the low frequency part in seismic wave exists The possibility of class resonance occurs with structure, causes the displacement of Seismic Isolation of Isolation Layer to exceed the permission limit displacement value of shock isolating pedestal, causes shock insulation The destruction of layer.Especially, building first floor capital isolation structure is under Near-fault pulse type geological process, due to Near-fault pulse type earthquake With long period, it is short hold when, high-energy velocity pulse kinetic characteristic so that building first floor capital isolation structure Seismic Isolation of Isolation Layer The relative storey displacement that bigger is moved compared with Far-field earthquake is produced, structures isolation effect layer, which is easier to be subjected to displacement, to transfinite and destroy, especially near field Under the effect of pulse rarely occurred earthquake, it is most likely that cause shock isolating pedestal to destroy because Seismic Isolation of Isolation Layer displacement is excessive, and shock isolating pedestal destroys Seismic Isolation of Isolation Layer superstructure total Collapse will be caused.The randomness occurred due to earthquake and the degree of safety based on substructure should height In superstructure, isolation structure should have the safety stock for resisting super fortification intensity, therefore control Seismic Isolation of Isolation Layer displacement, allow it In the range of it is particularly important.
Laminated rubber bases are more applicable in only for the displacement of structures isolation effect layer not past the misalignment pre-estimated.But Surmount under the rarely occurred earthquake effect estimated (especially Near-source earthquake), structures isolation effect layer can not make shock insulation there may be over-large displacement Layer Bit andits control in allowed limits, so as to cause the destruction of shock isolating pedestal.To prevent Seismic Isolation of Isolation Layer from excessive interlayer position occurs Move (surmounting the maximum relative storey displacement estimated), generally require to set limiting and protecting device in Seismic Isolation of Isolation Layer, and in building first floor capital Shock insulation, since the limitation in space arranges Horizontal limiting protective device without image of Buddha base isolation.
The content of the invention
The technical problem to be solved in the present invention, is to provide a kind of when the Seismic Isolation of Isolation Layer generation of building first floor capital shock insulation is excessive Remain to the Seismic Isolation of Isolation Layer position limitation protection of building first floor capital shock insulation effectively Seismic Isolation of Isolation Layer displacement being limited in allowed band during displacement Device.
What the present invention was realized in:
The Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation, including upper built-in fitting, lower built-in fitting, outer pipe sections, Power transmission unit, position-limiting unit and articulated mounting, the upper built-in fitting is arranged on superstructure and building cylinder intersection, described lower pre- Embedded part is arranged on building cylinder and foundation beam intersection, set between the upper built-in fitting and lower built-in fitting the outer pipe sections, Power transmission unit position-limiting unit and articulated mounting;The outer pipe sections include cylinder and upper head plate, and the upper head plate is connected to institute The upper end of cylinder is stated, the lower end of the cylinder connects the lower built-in fitting by the articulated mounting, and is equipped with the cylinder Cavity;The power transmission unit includes force transmitting board and transmission rod, and the force transmitting board is arranged in the middle part of the cavity, the transmission rod one End connection force transmitting board, the other end connect the upper built-in fitting through the upper head plate;The position-limiting unit include upper limit baffle, Lower limit baffle, upper spring and lower spring, the upper limit baffle and the lower limit baffle are arranged in the cavity and divide Wei Yu not be above and below force transmitting board, and the transmission rod is passed through the upper limit baffle, the upper spring is set in institute State on transmission rod and both ends are supported be arranged on upper head plate and upper limit baffle respectively, the both ends of the lower spring are supported respectively is arranged on lower limit Baffle and cavity bottom.
Preferably, a dustproof cover is further included, the dustproof cover is sheathed on the upper head plate.
Preferably, the cylinder is cylinder and the cavity is cylindrical cavity.
Preferably, the spring is Nonlinear Spiral spring.
Preferably, the force transmitting board, upper limit baffle and lower limit baffle are equipped with venthole.
Preferably, the force transmitting board, upper limit baffle and the contact surface of lower limit baffle and cylinder are cambered surface.
Preferably, the center of upper head plate and the upper limit baffle is equipped with the through hole that corresponding transmission rod passes through.
The invention has the advantages that:
1st, substitute common spring using Nonlinear Spiral spring, due to Nonlinear Spiral spring provide it is nonlinear extensive Multiple power, improves structural dynamic characteristic and carries out that Seismic Isolation of Isolation Layer is spacing, and limit effect is enhanced.
2nd, the present invention can also replace the nonlinear spring of different-stiffness to adapt to different rigidity requirements, be applicable not only to The less situation of Seismic Isolation of Isolation Layer displacement, and suitable for Seismic Isolation of Isolation Layer displacement is larger, the situation of impact force bigger.
3rd, venthole is equipped with force transmitting board, upper limit baffle and lower limit baffle, gas in cavity is circulated, work as biography When the upward postive stop baffle of power plate and lower limit stop collision extrude, reduce the drag effect of air extrusion generation.
4th, force transmitting board, upper limit baffle and lower limit baffle and cylinder contact surface are cambered surface, are occurring to touch in cylinder The abrasion to wall pipe can be reduced when hitting extruding, effectively protects tube wall.
The 5th, dustproof cover is set, avoid dust from blocking through hole, influences transmission rod work.
Brief description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the Seismic Isolation of Isolation Layer limiting and protecting device original state structure sectional view of building first floor capital shock insulation of the present invention.
Fig. 2 is the Seismic Isolation of Isolation Layer limiting and protecting device motion state structure section view to the left of building first floor capital shock insulation of the present invention Figure.
Fig. 3 is that the Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation of the present invention moves right status architecture section view Figure.
Fig. 4 is the force transmitting board top view of the present invention.
Fig. 5 is upper limit baffle top view of the present invention.
Fig. 6 is lower limit baffle top view of the present invention.
Fig. 7 is force transmitting board of the present invention, upper limit baffle and lower limit baffle arrangement sectional view.
Symbol description is as follows:
1~outer pipe sections;2~power transmission unit;3~position-limiting unit;4~cylinder;5~upper head plate;6~dustproof cover;7~hinge Connection device;8~transmission rod;9~force transmitting board;10~go up shank of bolt;11~go up spring;12~lower spring;13~upper limit baffle; 14~lower limit baffle;15~through hole;16~go up built-in fitting;17~lower built-in fitting;18~ventilation through hole;19~lower shank of bolt; 20~cavity.
Embodiment
Such as Fig. 4 to Fig. 6 simultaneously coordinates shown in Fig. 1, the Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation, including upper pre- Embedded part 16, lower built-in fitting 17, outer pipe sections 1, power transmission unit 2, position-limiting unit 3 and articulated mounting 7, upper built-in fitting 16 are arranged on Superstructure and building cylinder intersection, lower built-in fitting 17 are arranged on building cylinder and foundation beam intersection, upper built-in fitting 16 with it is lower pre- Outer pipe sections 1, power transmission unit 2, position-limiting unit 3 and articulated mounting 7 are set among embedded part 17;Outer pipe sections 1 include 4 He of cylinder Upper head plate 5, cylinder 4 is interior to be equipped with cavity 20, and 5 connector drum of upper head plate, 4 upper end, 4 lower end of cylinder connects the articulated mounting 7, hinge Connection device 7 is connected in lower built-in fitting 17 by lower shank of bolt 19;Power transmission unit 2 includes force transmitting board 9 and transmission rod 8, and force transmitting board 9 is set Put at the middle part of cavity 20,8 one end of transmission rod connection force transmitting board 9, the other end through upper limit baffle 13 and upper head plate 5 centrally through The through hole that the upper upper built-in fitting 16 of the connection of shank of bolt 10, upper limit baffle 13 and the centrally disposed corresponding transmission rod 8 of upper head plate 5 pass through 15;Position-limiting unit 3 includes upper limit baffle 13, lower limit baffle 14, upper spring 11 and lower spring 12, upper limit baffle 13, Lower limit baffle 14, upper spring 11 and lower spring 12 are arranged in cavity 20, and upper limit baffle 13 and upper spring 11 are placed in 20 upper end of cavity, lower limit baffle 14 and lower spring 12 are placed in 20 lower end of cavity, and transmission rod 8 is limited in upper head plate 5 and upper limit In the through hole 15 at 13 center of baffle, upper spring 11 is circlewise set on transmission rod 8 and both ends are supported arranged on upper head plate 5 and upper respectively Postive stop baffle 13, lower 12 both ends of spring are supported be arranged on 20 bottom of lower limit baffle 14 and cavity respectively.Cylinder 4 of the present invention is cylinder And cavity 20 is cylinder.
As shown in Figure 1, in the present embodiment, the spring of the Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation uses non- Linear coil springs substitute common spring, since Nonlinear Spiral spring provides nonlinear restoring force, improve structure Dynamic characteristics progress Seismic Isolation of Isolation Layer is spacing, and limit effect is improved.The present invention can also replace the nonlinear spring of different-stiffness To adapt to different rigidity requirements, be applicable not only to the less situation of Seismic Isolation of Isolation Layer displacement, and suitable for Seismic Isolation of Isolation Layer displacement it is larger, The situation of impact force bigger.The present invention is additionally provided with a dustproof cover 6, and dustproof cover 6 is sheathed on upper head plate 5, dustproof cover through transmission rod 8 Effect is to avoid dust from blocking the influence transmission rod 8 of through hole 15 to work.
As shown in Figures 4 to 6, in the present embodiment, the biography of the Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation Power plate 9, upper limit baffle 13 and lower limit baffle 14 are equipped with three ventilation through holes 18, gas in cavity 20 is circulated, when When the upward postive stop baffle 13 of force transmitting board 9 and lower limit 14 downthrust of baffle, reduce the drag effect of air extrusion generation.
As shown in fig. 7, force transmitting board 9, the upper limit baffle 13 of the Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation It is cambered surface with lower limit baffle 14 and 4 contact surface of cylinder, the mill to wall pipe can be reduced when downthrust in cylinder 4 occurs Damage, effectively protects tube wall.
With reference to Fig. 1 to Fig. 3, the working status of the Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation is as follows:
As shown in Figure 1, in the Seismic Isolation of Isolation Layer limiting and protecting device original state of building first floor capital shock insulation, spring is in certainly By state, the distance of force transmitting board 9 and upper limit baffle 13 is d, and force transmitting board 9 and the distance of lower limit baffle 14 are d.Assuming that shock insulation Layer top superstructure is subjected to displacement and is moved to the left relatively, and Seismic Isolation of Isolation Layer top superstructure is moved to the left drive and is hinged on built-in fitting 16 Transmission rod 8 moves down, and transmission rod 8, which moves down, drives the downward displacement of force transmitting board 9, when the downward displacement of force transmitting board 9 d away from From it is interior when, spring does not enter into working status still in nature, limiting and protecting device.
As illustrated in fig. 2, it is assumed that Seismic Isolation of Isolation Layer top superstructure be subjected to displacement and it is opposite be moved to the left, when force transmitting board 9 is to bottom offset More than when d, i.e. the distance of upper limit baffle 13 and lower limit baffle 14 more than 2d, force transmitting board 9 collided with lower limit baffle 14 and It is pressed down against, lower spring 12 is pressed into working stage and provides Reverse recovery power restriction transmission rod 8 displacement, so as to limit top building The movement of lid, reaches limitation Seismic Isolation of Isolation Layer and produces over-large displacement, prevent shock isolating pedestal from being destroyed because displacement is excessive, play protection and make With.
As shown in Figure 1, it is assumed that Seismic Isolation of Isolation Layer top superstructure is subjected to displacement and moves right relatively, and Seismic Isolation of Isolation Layer top superstructure is to the right It is mobile to drive the transmission rod 8 being hinged on built-in fitting to move up, when the upward displacement of force transmitting board 9 d apart from it is interior when, spring is still In the raw, limiting and protecting device does not enter into working status.
As shown in Figure 3, it is assumed that Seismic Isolation of Isolation Layer top superstructure is subjected to displacement and moves right relatively, when force transmitting board 9 shifts up During more than d, i.e. the distance of upper limit baffle 13 and lower limit baffle 14 more than 2d, force transmitting board 9 collided with upper limit baffle 13 and Upward, upper spring 11 is pressed into working stage, there is provided the displacement of Reverse recovery power restriction transmission rod 8, so as to limit The movement of portion's superstructure, reaches limitation Seismic Isolation of Isolation Layer and produces excessive displacement, prevent shock isolating pedestal from being destroyed because displacement is excessive, play guarantor Shield acts on.
Although the foregoing describing the embodiment of the present invention, those familiar with the art should manage Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, are familiar with this The equivalent modification and change that the technical staff in field is made in the spirit according to the present invention, should all cover the present invention's In scope of the claimed protection.

Claims (6)

1. the Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation, it is characterised in that:Including upper built-in fitting, lower built-in fitting, Outer pipe sections, power transmission unit, position-limiting unit and articulated mounting;
The upper built-in fitting is arranged on superstructure and building cylinder intersection, and the lower built-in fitting is arranged on building cylinder and foundation beam Intersection, sets the outer pipe sections, power transmission unit, position-limiting unit and hinged dress between the upper built-in fitting and lower built-in fitting Put;
The outer pipe sections include cylinder and upper head plate, and the upper head plate is connected to the upper end of the cylinder, under the cylinder End connects the lower built-in fitting by the articulated mounting, and is equipped with cavity in the cylinder;
The power transmission unit includes force transmitting board and transmission rod, and the force transmitting board is arranged in the middle part of the cavity, the transmission rod one End connection force transmitting board, the other end connect the upper built-in fitting through the upper head plate;
The position-limiting unit includes upper limit baffle, lower limit baffle, upper spring and lower spring, the upper limit baffle and institute Lower limit baffle is stated in the cavity and respectively above and below force transmitting board, and make the transmission rod described in Upper limit baffle, the upper spring is set on the transmission rod and both ends are supported be arranged on upper head plate and upper limit baffle, institute respectively State the both ends of lower spring and support respectively and be arranged on lower limit baffle and cavity bottom.
2. the Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation according to claim 1, it is characterised in that:More wrap A dustproof cover is included, the dustproof cover is sheathed on the upper head plate.
3. the Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation according to claim 1, it is characterised in that:It is described Cylinder is cylinder and the cavity is cylindrical cavity.
4. the Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation according to claim 1, it is characterised in that:It is described Spring is Nonlinear Spiral spring.
5. the Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation according to claim 1, it is characterised in that:It is described Force transmitting board, upper limit baffle and lower limit baffle are equipped with venthole.
6. the Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation according to claim 1, it is characterised in that:It is described Force transmitting board, upper limit baffle and the contact surface of lower limit baffle and cylinder are cambered surface.
CN201711274305.1A 2017-12-06 2017-12-06 Spacing protection device of shock insulation layer for building first layer column top shock insulation Active CN108005249B (en)

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CN201711274305.1A CN108005249B (en) 2017-12-06 2017-12-06 Spacing protection device of shock insulation layer for building first layer column top shock insulation

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Application Number Priority Date Filing Date Title
CN201711274305.1A CN108005249B (en) 2017-12-06 2017-12-06 Spacing protection device of shock insulation layer for building first layer column top shock insulation

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CN108005249B CN108005249B (en) 2023-11-21

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108756412A (en) * 2018-07-10 2018-11-06 大连理工大学 Hinged assembly concrete shock frame structural system in beam
CN110230403A (en) * 2019-05-16 2019-09-13 孔瑞清 Steel construction viscous damping wall and its installation method
CN110965802A (en) * 2019-12-09 2020-04-07 中国林业科学研究院木材工业研究所 Reinforcing device and reinforcing method for wooden structure resident beam column node
CN113026814A (en) * 2021-03-22 2021-06-25 龚贵清 Single-column double-longitudinal-beam subway structure

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JP2008064308A (en) * 2006-08-09 2008-03-21 Matsui Hitoshi Vibration damping device
JP2010071398A (en) * 2008-09-19 2010-04-02 Nhk Spring Co Ltd Vibration control device
CN103088933A (en) * 2013-01-17 2013-05-08 中南大学 Collaborative energy dissipation anti-buckling supporting construction member with major earthquake protection function
JP2014114916A (en) * 2012-12-11 2014-06-26 Hayashi Bussan Co Ltd Aseismic base isolation member
CN207714534U (en) * 2017-12-06 2018-08-10 福建工程学院 The Seismic Isolation of Isolation Layer limiting and protecting device of building first floor capital shock insulation

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Publication number Priority date Publication date Assignee Title
JP2003049557A (en) * 2001-08-06 2003-02-21 Toyo Tire & Rubber Co Ltd Vibration control device for building
JP2008064308A (en) * 2006-08-09 2008-03-21 Matsui Hitoshi Vibration damping device
JP2010071398A (en) * 2008-09-19 2010-04-02 Nhk Spring Co Ltd Vibration control device
JP2014114916A (en) * 2012-12-11 2014-06-26 Hayashi Bussan Co Ltd Aseismic base isolation member
CN103088933A (en) * 2013-01-17 2013-05-08 中南大学 Collaborative energy dissipation anti-buckling supporting construction member with major earthquake protection function
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108756412A (en) * 2018-07-10 2018-11-06 大连理工大学 Hinged assembly concrete shock frame structural system in beam
CN108756412B (en) * 2018-07-10 2023-09-19 大连理工大学 Assembly type concrete shock absorption frame structure system hinged in beam
CN110230403A (en) * 2019-05-16 2019-09-13 孔瑞清 Steel construction viscous damping wall and its installation method
CN110230403B (en) * 2019-05-16 2021-05-28 福建九鼎建设集团有限公司 Steel structure viscous damping wall and mounting method thereof
CN110965802A (en) * 2019-12-09 2020-04-07 中国林业科学研究院木材工业研究所 Reinforcing device and reinforcing method for wooden structure resident beam column node
CN110965802B (en) * 2019-12-09 2021-11-19 中国林业科学研究院木材工业研究所 Reinforcing device and reinforcing method for wooden structure resident beam column node
CN113026814A (en) * 2021-03-22 2021-06-25 龚贵清 Single-column double-longitudinal-beam subway structure

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