CN106522634A - Low-rigidity multi-dimensional shock insulation device - Google Patents

Low-rigidity multi-dimensional shock insulation device Download PDF

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Publication number
CN106522634A
CN106522634A CN201611189777.2A CN201611189777A CN106522634A CN 106522634 A CN106522634 A CN 106522634A CN 201611189777 A CN201611189777 A CN 201611189777A CN 106522634 A CN106522634 A CN 106522634A
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China
Prior art keywords
bearing plate
shock
plate
rigidity
vertical
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Pending
Application number
CN201611189777.2A
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Chinese (zh)
Inventor
韦谋超
蒙春
褚盼
资道铭
杨超
蒙华昌
吕学益
韦永林
莫曲浪
钟飞龙
徐鸿飞
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LIUZHOU DONGFANG ENGINEERING RUBBER PRODUCT Co Ltd
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LIUZHOU DONGFANG ENGINEERING RUBBER PRODUCT Co Ltd
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Application filed by LIUZHOU DONGFANG ENGINEERING RUBBER PRODUCT Co Ltd filed Critical LIUZHOU DONGFANG ENGINEERING RUBBER PRODUCT Co Ltd
Priority to CN201611189777.2A priority Critical patent/CN106522634A/en
Publication of CN106522634A publication Critical patent/CN106522634A/en
Pending legal-status Critical Current

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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, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings

Abstract

The invention provides a low-rigidity multi-dimensional shock isolation device. The low-rigidity multi-dimensional shock isolation device comprises an upper bearing plate, a lower pressing plate, M horizontal shock isolators and N vertical shock isolators, wherein the M horizontal shock isolators and the N vertical shock isolators are mounted between the upper bearing plate and the lower bearing plate side by side; the horizontal shock isolators are integrally connected with the upper bearing plate and the lower bearing plate; the vertical shock isolators are movably connected with the upper bearing plate and the lower bearing plate through special movable pieces correspondingly, or one end of each vertical shock isolator is fixedly connected with the upper bearing plate or the lower bearing plate, and the other end of each vertical shock isolator is movably connected with the lower bearing plate or the upper bearing plate through a special movable piece; each horizontal shock isolator comprises an outer connecting plate and a high-elasticity damping material; and each vertical shock isolator comprises an anti-instability assembly, an elastic element and a movable base or a connecting plate connected with the elastic element. The horizontal shock isolators and the vertical shock isolators of the shock insulation device are arranged side by side so that the horizontal rigidity and vertical rigidity can be controlled accurately, and the requirements for ultralow-level shock insulation rigidity and high precision of small-structure precision equipment are met accordingly; and both earthquakes and environment shock can be isolated.

Description

A kind of Low rigidity multiple dimension shock-proof device
Technical field
The present invention relates to a kind of base-isolated equipment(Shake)A kind of device, and in particular to Low rigidity multiple dimension shock-proof device.
Background technology
Earthquake rock and industrial environment vibration on we live and the manufacturing bring very big impact and puzzlement, by In shock insulation(Shake)The continuous development of technology, there has been three-dimensional isolation device in building and science of bridge building field at present, and the device was both Energy level of isolation earthquake also can vertically play certain isolating affection.
Existing three-dimensional isolation device(Such as a kind of three-dimensional shock isolation support CN104455189A), its basic structure is by little firm Degree bearing and big rigidity bearing tandem compound are constituted, and little rigidity bearing provides only the rigidity needed for vertical vibration isolation and passes through special dress Put and limit its horizontal direction and be subjected to displacement, big rigidity bearing level to shock insulation is provided needed for rigidity, be finally reached and can isolate water Level land shakes and can isolate the purpose of vertical motion again.
The problem of presence is:The structure scope of application is too little, is only applicable to the shock insulation of the big structure engineerings such as building and bridge (Shake), it is impossible to meet the shock insulation of other small-scale structures such as equipment(Shake)Required ultralow rigidity high-precision performance;
For small-scale structure is particularly high precision apparatus, its shock insulation(Shake)There is special requirement:On the one hand require vertically can The gravity laod on top is born, and there is appropriate rigidity(Rigidity does not then reach greatly vibration isolating effect, and rigidity is little then to carry not enough deformation It is excessive);On the other hand in level to requiring horizontal rigidity much smaller than vertical rigidity, generally no greater than 100N/mm;Existing three-dimensional Earthquake isolating equipment vertical rigidity is rolled into one with horizontal rigidity, inseparable to open up meter, i.e., when vertical rigidity changes, horizontal rigidity also can And then change, due to reasons in structure, its horizontal rigidity is both greater than 10000N/mm, therefore it is particularly high-precision to meet small-scale structure The shock insulation demand of degree equipment.
The content of the invention
It is an object of the invention to provide a kind of Low rigidity multiple dimension shock-proof device, with overcome that prior art is present it is above-mentioned not Foot.
Solve above-mentioned technical problem to adopt the technical scheme that:
A kind of Low rigidity multiple dimension shock-proof device, including upper bearing plate and lower bearing plate, between the upper bearing plate and lower bearing plate M horizontal seismic isolation device and N number of vertical vibration isolation device are installed side by side, the horizontal seismic isolation device is connected as with upper bearing plate and lower bearing plate Integrally;The vertical vibration isolation device is flexibly connected with upper bearing plate and lower bearing plate by special mobile part respectively, or one end with Upper bearing plate or lower bearing plate are affixed, and the other end is flexibly connected with lower bearing plate or upper bearing plate by special mobile part;
The horizontal seismic isolation device includes outside link plate I and high elastic damping material, and high elastic damping material is arranged on upper and lower outer company Between fishplate bar I, horizontal seismic isolation device is connected as one with upper and lower bearing plate by outside link plate I, its connected mode or be solid Connect, or one end is affixed, the other end is connected using form of inlaying;The vertical vibration isolation device includes anti-unstability component and flexible member, The central authorities of vertical vibration isolation device are arranged on for limiting structure occur toppling when the there is eccentric load anti-unstability component of unstability;Bullet Property element upper/lower terminal or connect respectively Mobile base and by Mobile base connection special mobile part and upper bearing plate or under hold Pressing plate is flexibly connected, or one end is connected outside link plate II and is connected with upper bearing plate or lower bearing plate by outside link plate II, separately One end is connected Mobile base and is flexibly connected with lower bearing plate or upper bearing plate by Mobile base connection special mobile part;
The numerical value of above-mentioned M is the arbitrary integer between 1~16, and the numerical value of N is the arbitrary integer between 2~16.
Its further technical scheme is:
The joint face that the special mobile part is flexibly connected with upper bearing plate or lower bearing plate be plane, now special mobile part with Low-friction elements are set between upper bearing plate or lower bearing plate so as to constitute planar movement pair;The special mobile part and upper pressure-bearing The joint face that plate or lower bearing plate are flexibly connected is cambered surface or sphere, now special mobile part and upper bearing plate or lower bearing plate it Between ball or rolling bar are set so as to constitute rolling moving sets;The now joint face of the Mobile base of vertical vibration isolation device and special mobile part For cambered surface or sphere.
Further:
The flexible member or spring or elastomeric material;The anti-unstability component be provide vertical damping antivibrator, institute State low-friction elements be with coefficient of friction less than 0.03 low-friction material made by friction element.
Mode that the vertical vibration isolation device and horizontal seismic isolation device are installed side by side or centered on circulating type, or be nested type, or For concentric even distribution type, or it is rectangular array formula.
Due to adopting above-mentioned technical proposal, compared with prior art, a kind of Low rigidity multiple dimension shock-proof device tool of the present invention There is following beneficial effect:
1. the horizontal seismic isolation device of this device is placed side by side with vertical vibration isolation device, the low-level rigidity needed for shock insulation, only by level every Shake device is provided, the vertical bearing capacity of external structure by vertical vibration isolation device and horizontal seismic isolation device shared, or individually by vertically every The device that shakes undertakes, and in earthquake vertical vibration isolation device produce slide or roll, additional stiffness is not provided, thus can effectively by Structures isolation effect desired level rigidity is separately designed with vertical rigidity, carries out precise control, so as to realize small-scale structure precision equipment Ultra low levels shock insulation rigidity needed for shock insulation and high accuracy stiffness reliability, solve the irrealizable ultralow water of three-dimensional isolation device institute Much smaller than a difficult problem for vertical vibration isolation rigidity, flat rigidity and horizontal seismic isolation rigidity realize that precision equipment can isolate earthquake, and energy The effect of isolation environment vibration;
2., while this device vertical vibration isolation device provides vertical support, under geological process superstructure will not produce and topple Trend, therefore the horizontal force of earthquake not only can be isolated, and can efficiently isolation environment vibration vertical transmission, shock insulation effect It is really good;
3. this device use range is wide, not only can be widely used in small-scale structure be particularly high precision apparatus shock insulation and its He needs the structure of Low rigidity shock insulation, can be also used for the shock insulation of building, science of bridge building by parameter designing;
4. the special mobile part in this device is ultra-low friction, and stable friction factor, not only can slide with upper and lower bearing plate or Roll connection and form moving sets, additional damping, effective vibration-inhibition response can also be provided;
5. the special mobile part of this device has reset function under geological process, and will not produce structure and topple and rock.
Below, in conjunction with the accompanying drawings and embodiments a kind of technical characteristic of Low rigidity multiple dimension shock-proof device of the present invention is made into one The explanation of step.
Description of the drawings
A kind of Low rigidity multiple dimension shock-proof device structural representations of the Fig. 1 for the present invention;
Fig. 2 is vertical vibration isolation device structural representation(Upper end outside link plate II, lower end Mobile base);
Fig. 3 is horizontal seismic isolation device structural representation;
Fig. 4~Fig. 7 is vertical vibration isolation device and horizontal seismic isolation device mounting means schematic diagram arranged side by side:
Circulating type centered on Fig. 4, Fig. 5 are nested type, and Fig. 6 is concentric even distribution type, and Fig. 7 is rectangular array formula;
In figure:
Bearing plate on 1,2 horizontal seismic isolation devices, 21 outside link plates I, 22 high elastic damping materials, 3 vertical vibration isolation devices, 31 anti-unstability components, 32 outside link plates II, 33 flexible members, 34 sliding seats, 4 special mobile parts, 5 times pressure-bearings Plate.
Specific embodiment
Embodiment one
A kind of Low rigidity multiple dimension shock-proof device, including upper bearing plate 1 and lower bearing plate 5, the upper bearing plate 1 and lower bearing plate 5 Between 1 horizontal seismic isolation device 2 and 4 vertical vibration isolation devices 3, the horizontal seismic isolation device 2 and upper bearing plate 1 and lower pressure-bearing are installed side by side Plate 5 is connected as one;3 upper end of vertical vibration isolation device is affixed with upper bearing plate, and lower end passes through special mobile part 4 and lower bearing plate It is flexibly connected(Referring to accompanying drawing 1, accompanying drawing 4);The horizontal seismic isolation device 2 includes outside link plate I 21 and high elastic damping material 22, high Elastic damping material is arranged between outside link plate I 21, and horizontal seismic isolation device is connected with upper and lower bearing plate by outside link plate I 21 Integral, its connected mode one end is affixed, and the other end, using form connection is inlayed, is in order to only using form connection purpose is inlayed Limit which to move horizontally, and allow which vertically moving up and down.
The vertical vibration isolation device 3 includes anti-unstability component 31 and flexible member 33, eccentric lotus is occurring for limiting structure The anti-unstability component 31 of unstability of occurring toppling during load is arranged on the central authorities of vertical vibration isolation device;The upper end connection of the flexible member is outer Connecting plate II 32 is simultaneously connected with upper bearing plate by outside link plate II, and lower end connection Mobile base 34 simultaneously connects special by Mobile base Moving member 4 is flexibly connected with lower bearing plate.
The joint face that the special mobile part 4 is flexibly connected with lower bearing plate 5 is plane, and now special mobile part is held with Low-friction elements are set between pressing plate so as to constitute planar movement pair;
The flexible member or spring or elastomeric material;The anti-unstability component be provide vertical damping antivibrator, institute State low-friction elements be with coefficient of friction less than 0.03 low-friction material made by friction element.
Circulating type centered on the mode that the vertical vibration isolation device 3 is installed side by side with horizontal seismic isolation device 2.
Embodiment two
A kind of Low rigidity multiple dimension shock-proof device, its basic structure are identical with embodiment one, except that:The upper bearing plate 1 4 horizontal seismic isolation devices 2 and 4 vertical vibration isolation devices 3, vertical vibration isolation device 3 and horizontal seismic isolation device are installed between lower bearing plate 5 side by side 2 modes installed side by side are nested in vertical vibration isolation device for nested type, i.e. horizontal seismic isolation device(Referring to accompanying drawing 5).
Embodiment three
A kind of Low rigidity multiple dimension shock-proof device, its basic structure are identical with embodiment two, except that:The vertical vibration isolation device 3 modes installed with horizontal seismic isolation device 2 side by side are concentric even distribution type(Referring to accompanying drawing 6).
Example IV
A kind of Low rigidity multiple dimension shock-proof device, its basic structure are identical with embodiment one, except that:The upper bearing plate 1 3 horizontal seismic isolation devices 2 and 6 vertical vibration isolation devices 3, vertical vibration isolation device 3 and horizontal seismic isolation device are installed between lower bearing plate 5 side by side 2 modes installed side by side are rectangular array formula(Referring to accompanying drawing 7).
As the conversion of above-described embodiment:
1. vertical vibration isolation device 3 described in or lower end are affixed with lower bearing plate 5, and upper end passes through special mobile part 4 and upper bearing plate 1 It is flexibly connected;Or upper and lower end is flexibly connected with upper bearing plate 1 and lower bearing plate 5 by special mobile part 4 respectively;
2. flexible member described in or lower end are connected outside link plate II 32 and are connected with lower bearing plate by outside link plate II, on End connection Mobile base 34 is simultaneously flexibly connected with upper bearing plate by Mobile base connection special mobile part 4;Or upper/lower terminal difference Connection Mobile base 34, and it is flexibly connected with upper bearing plate or lower bearing plate by Mobile base connection special mobile part 4;
3. the joint face that special mobile part 4 described in is flexibly connected with upper bearing plate 1 or lower bearing plate 5 is alternatively cambered surface or sphere, Ball or rolling bar are now set between special mobile part and upper bearing plate or lower bearing plate so as to constitute rolling moving sets, vertically every The Mobile base of device that shakes is cambered surface or sphere with the joint face of special mobile part.
4. upper bearing plate described in(1)With lower bearing plate(5)Between install side by side horizontal seismic isolation device number M and it is vertical every The number N shaken, can determine according to actual needs, and the numerical value of general M is the arbitrary integer between 1~16, and the numerical value of N is 1~16 Between arbitrary integer.
Operation principle
Horizontal vibration isolator feature:Vertical rigidity is not provided in the structure, or very small vertical rigidity is provided, horizontal rigidity is very It is little, and have reset function in sliding, there is provided additional damping;
Vertical vibration isolation device feature:The horizontal rigidity of itself being discharged in the structure, horizontal rigidity not being provided, vertical rigidity is moderate, Not unstability, and offer structure additional damping.
The anti-unstability component of vertical vibration isolation device is mainly used in limiting structure and occurs unstability of toppling when there is eccentric load, its Structure vertically can moved freely, and in level to restrained movement, need to make antivibrator form according to structure, there is provided vertical Damping.
Ultralow rigidity multiple dimension shock-proof(Shake)The operation principle of device is that vertical vibration isolation device is placed side by side with horizontal seismic isolation device, outward The vertical bearing capacity of portion's structure can be designed to by vertical vibration isolation device and horizontal seismic isolation device shared(Undertaken with vertical vibration isolation device Based on), it is also possible to individually undertaken by vertical vibration isolation device, the low-level rigidity needed for shock insulation, only provided by horizontal seismic isolation device, and During earthquake, vertical vibration isolation device produces and slides or roll, and does not provide additional stiffness, thus can effectively by needed for structures isolation effect Horizontal rigidity is separately designed with vertical rigidity, carries out precise control;While vertical vibration isolation device provides vertical support, make in earthquake With under, superstructure will not be made to produce trend of toppling;Also there is while horizontal seismic isolation device provides horizontal rigidity reset function.
The special mobile part of the present invention is the moving member with ultra-low friction and stable coefficient of friction performance.

Claims (4)

1. a kind of Low rigidity multiple dimension shock-proof device, including upper bearing plate(1)With lower bearing plate(5), it is characterised in that:Hold on described Pressing plate(1)With lower bearing plate(5)Between M horizontal seismic isolation device is installed side by side(2)With N number of vertical vibration isolation device(3), the level every Shake device(2)With upper bearing plate(1)With lower bearing plate(5)Connect as one;The vertical vibration isolation device(3)Or respectively by special shifting Moving part(4)With upper bearing plate(1)With lower bearing plate(5)It is flexibly connected, or one end and upper bearing plate or lower bearing plate(5)It is affixed, The other end is flexibly connected with lower bearing plate or upper bearing plate by special mobile part;
The horizontal seismic isolation device(2)Including outside link plate I(21)With high elastic damping material(22), the installation of high elastic damping material Between upper and lower outside link plate I, horizontal seismic isolation device is connected as one with upper and lower bearing plate by outside link plate I, its connection Mode or for affixed, or one end is affixed, the other end is using inlaying form connection;The vertical vibration isolation device(3)Including anti-unstability group Part(31)And flexible member(33), the anti-unstability component of the unstability that occurs toppling when there is eccentric load for limiting structure(31) Installed in the central authorities of vertical vibration isolation device;The upper/lower terminal of flexible member connects Mobile base respectively(34), and by Mobile base connect Connect special mobile part(4)It is flexibly connected with upper bearing plate or lower bearing plate, or one end connection outside link plate II(32)And by outer Connecting plate II is connected with upper bearing plate or lower bearing plate, other end connection Mobile base(34)And special mobile is connected by Mobile base Part(4)It is flexibly connected with lower bearing plate or upper bearing plate;
The numerical value of above-mentioned M is the arbitrary integer between 1~16, and the numerical value of N is the arbitrary integer between 1~16.
2. a kind of Low rigidity multiple dimension shock-proof device according to claim 1, it is characterised in that:The special mobile part(4) With upper bearing plate(1)Or lower bearing plate(5)The joint face of flexible connection is plane, now special mobile part and upper bearing plate or under Low-friction elements are set between bearing plate so as to constitute planar movement pair;
The special mobile part(4)With upper bearing plate(1)Or lower bearing plate(5)The joint face of flexible connection is cambered surface or sphere, Ball or rolling bar are now set between special mobile part and upper bearing plate or lower bearing plate so as to constitute rolling moving sets;
Now the Mobile base of vertical vibration isolation device is cambered surface or sphere with the joint face of special mobile part.
3. a kind of Low rigidity multiple dimension shock-proof device according to claim 1, it is characterised in that:The flexible member(33)Or It is spring or elastomeric material;The anti-unstability component(31)For providing the antivibrator of vertical damping, the low-friction elements are With friction element made by low-friction material of the coefficient of friction less than 0.03.
4. a kind of Low rigidity multiple dimension shock-proof device according to claim 1, it is characterised in that:The vertical vibration isolation device(3) With horizontal seismic isolation device(2)The mode installed side by side or centered on circulating type, or be nested type, or be concentric even distribution type, or be square Shape array.
CN201611189777.2A 2016-12-21 2016-12-21 Low-rigidity multi-dimensional shock insulation device Pending CN106522634A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988429A (en) * 2017-04-10 2017-07-28 武汉理工大学 A kind of multiple multidimensional earthquake damping and isolating mechanism
CN107217752A (en) * 2017-07-17 2017-09-29 盛年科技有限公司 The method and antidetonation isolation mounting of a kind of electromechanical equipment antidetonation vibration isolation
CN108216662A (en) * 2018-01-10 2018-06-29 合肥工业大学 A kind of vibration isolator and the isolation mounting using the vibration isolator
CN110644352A (en) * 2019-09-30 2020-01-03 重庆工商职业学院 Vibration-damping bridge
CN111305387A (en) * 2019-12-26 2020-06-19 中国建筑股份有限公司 Compression-shear separation type variable-rigidity rubber support and manufacturing method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988429A (en) * 2017-04-10 2017-07-28 武汉理工大学 A kind of multiple multidimensional earthquake damping and isolating mechanism
CN107217752A (en) * 2017-07-17 2017-09-29 盛年科技有限公司 The method and antidetonation isolation mounting of a kind of electromechanical equipment antidetonation vibration isolation
CN107217752B (en) * 2017-07-17 2019-01-29 盛年科技有限公司 A kind of method and antidetonation isolation mounting of the vibration isolation of electromechanical equipment antidetonation
CN108216662A (en) * 2018-01-10 2018-06-29 合肥工业大学 A kind of vibration isolator and the isolation mounting using the vibration isolator
CN110644352A (en) * 2019-09-30 2020-01-03 重庆工商职业学院 Vibration-damping bridge
CN111305387A (en) * 2019-12-26 2020-06-19 中国建筑股份有限公司 Compression-shear separation type variable-rigidity rubber support and manufacturing method thereof

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