CN104032846B - Tension resisting and twisting resisting combined shock isolation device with self-restoring function - Google Patents
Tension resisting and twisting resisting combined shock isolation device with self-restoring function Download PDFInfo
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- CN104032846B CN104032846B CN201410112469.4A CN201410112469A CN104032846B CN 104032846 B CN104032846 B CN 104032846B CN 201410112469 A CN201410112469 A CN 201410112469A CN 104032846 B CN104032846 B CN 104032846B
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Abstract
The invention provides a tension resisting and twisting resisting combined shock isolation device with the self-restoring function, and belongs to the technical field of shock absorbing and isolating technique of structural engineering. The device mainly comprises a high-flexibility device (1), a rigid supporting pedestal (2), a transverse limiting sliding block (3), a transverse shock isolation linear guide rail (4), a transverse shock absorbing tension spring (5), a transverse shock absorbing tension spring support (6), a layering separating plate (7), a longitudinal limiting sliding block (8), a longitudinal shock isolation linear guide rail (9), a longitudinal shock absorbing tension spring support (10) and a longitudinal shock absorbing tension spring (11). The combined shock isolation device has the advantages that the material performance of each part can be fully utilized; in addition, the shortcoming of poor tension resisting capacity and vertical bearing capacity of a rubber support seat is overcome; the advantages of high tension resisting capacity and twisting resisting capacity, and outstanding effect on shock isolation for bases of the high-flexibility device and a high-flexibility structure are brought.
Description
Technical field
The invention belongs to Structural Engineering damping and technical field of isolation, are related to a kind of roller of coefficient of friction very little straight
Line guide rail, and the vertical guide rail of upper and lower two-layer is set, such that it is able to meet the shock insulation requirement of multiple directions, while arrange to carry
A kind of perfect combined isolation device is constituted for the rigidity of structure with the Tension spring for shock absorption that can make superstructure Self-resetting.The invention into
This is cheap, with very strong tension, anti-torsion, resistance to capsizing, while having runback bit function, isolating affection is projected, construction
It is convenient, it is practically applicable to high soft equipment, the base isolation of tall and slender structure, with good development prospect.
Background technology
At home and abroad in building field, the seismic isolation technology of middle low clearance building levels off to maturation, and major technique has：Lamination rubber
Glue lead for retractable pencil bearing shock insulation, friction slipper shock insulation, rolling shock insulation, sliding bearing.But current these shock insulations both domestic and external
Device has certain limitation, such as：The resistance to tension of rubber support, anti-torsion ability, vertical bearing capacity is relatively low；Frictional slip
Shock isolating pedestal and rolling shock insulation support intensity are relatively low, the bad determination of the parameter such as kinematics and static friction coefficient, arc shape, and process
Complex process, the building for being typically only applicable to middle low clearance.The problem that vertical rigidity is low and damping is little of rubber support is directed to,
Some experts have developed sandwich rubber cushion and lead-rubber again, although both earthquake isolating equipment vertical rigidities and damping are improved
, but the improvement that resistance to tension and anti-twisting property are not obtained still is not suitable for the knot of skyscraper and some Gao Rou
Structure and equipment.However, at present research both domestic and external is to the high soft equipment of industry（The alcohol stove of thin-wall tubular structure）Damping, military project
High soft equipment（Rocket, guided missile）Damping it is heavier regard, these structures are due to slenderness ratio（The ratio of length and cross-sectional width）It is very big,
Typically greater than 10, therefore, the pulling force of substrate, power of toppling are very big, and above-mentioned shock isolating pedestal can not meet shock insulation requirement.Therefore open
Send out suitable high soft equipment a kind of and there is stronger resistance to tension, anti-torsion ability, the earthquake isolating equipment of resistance to capsizing, in earthquake
The seismic response for reducing structure has great engineering significance.
The content of the invention
The present invention gives a kind of can be two-way（Longitudinally, laterally）The shock isolating pedestal of the roller-type linear guide rail form of slip,
The combined isolation device of the compositions such as Tension spring for shock absorption, rigid support pedestal, goal of the invention is by position limiting slide block and line slideway
Between mechanical snap power providing resistance to tension and anti-torsion ability, the resistance to capsizing of superstructure, by Tension spring for shock absorption
To provide the horizontal rigidity of total and the horizontal displacement of control structure and make structure automatically reset, by rigid support pedestal
To support the deadweight of superstructure, in earthquake, line slideway, Tension spring for shock absorption collaborative work form good shock insulation mechanism, from
And reduce the seismic response of superstructure.This device isolating affection is good, it is easy to which construction and maintenance, replacing, cost is relatively low.
Technical scheme is as follows：
A kind of tension with runback bit function, torsion proof combined isolation device, including high soft equipment (1), rigidity
Support pedestal 2, the horizontal shock insulation line slideway 4 of cross spacing slide block 3, bottom, horizontal shock-absorbing extension spring 5, horizontal shock-absorbing extension spring support 6,
Layering dividing plate 7, longitudinal spacing slide block 8, bottom longitudinal direction shock insulation line slideway 9, longitudinal Tension spring for shock absorption support 10, longitudinal Tension spring for shock absorption
(11).It adopts the shock isolating pedestal of two-way I shape line slideway composition；The horizontal shock insulation straight line in bottom for processing prefabricated is led
The longitudinal shock insulation line slideway 9 of rail 4, bottom vertically arrange by two-layer, layering dividing plate 7 is arranged between two-layer guide rail, on layering dividing plate 7
Portion and horizontal shock insulation line slideway 4 connect, and the layering bottom of dividing plate 7 and longitudinal spacing slide block 8 connect, rigid support pedestal 2 with it is horizontal
To setting cross spacing slide block 3 between shock insulation line slideway 4；Horizontal shock-absorbing extension spring to be supported and arrange horizontal between 6 and layering dividing plate 7
Tension spring for shock absorption 5, longitudinal Tension spring for shock absorption supports and longitudinal Tension spring for shock absorption 11 is arranged between 10 and layering dividing plate 7；Component is top-down
Connected mode is：The high soft equipment 1 and rigid support pedestal 2 on top with being welded to connect, high soft equipment 1 and rigid support pedestal 2
Between Transfer of Shear and moment of flexure；Rigid support pedestal 2 and cross spacing slide block 3 are with bolts, rigid shock isolation pedestal 2 and horizontal stroke
To Transfer of Shear and moment of flexure between position limiting slide block 3；Between cross spacing slide block 3 and horizontal section of the shock insulation line slideway 4 with slide block
Construction connection, cross spacing slide block 3 and the shearing and moment of flexure of longitudinal direction are laterally transmitted between shock insulation line slideway 4, but do not transmit
Horizontal shearing and moment of flexure；Rigid support pedestal 2 and horizontal shock-absorbing extension spring supported and welded between 6；The high soft equipment 1 in top, rigidity
Supporting platform seat 2, cross spacing slide block 3, horizontal shock-absorbing extension spring support 6 as it is overall can be along positioned at the horizontal shock insulation line slideway in upper strata
4 slide laterally；Laterally shock insulation line slideway 4 and layering dividing plate 7 are with bolts, and the two ends of horizontal shock-absorbing extension spring 5 are respectively and horizontal
Support 6, layering dividing plate 7 to be hinged to Tension spring for shock absorption, moment of flexure is not transmitted between being hinged, only transmission axle power；Layering dividing plate 7 and longitudinal direction limit
Position slide block 8 is with bolts, and longitudinal spacing slide block 8 and longitudinal shock insulation line slideway 9 adopt the construction between the section of slide block to connect
Connect, between longitudinal spacing slide block 8 and longitudinal shock insulation line slideway 9 shearing and moment of flexure of longitudinal direction are transmitted, but do not transmit horizontal cutting
Power and moment of flexure；The connection between section between longitudinal spacing slide block 8 and longitudinal shock insulation line slideway 9 is with the He of cross spacing slide block 3
Horizontal shock insulation line slideway 4；The high soft equipment 1 in top, rigid support pedestal 2, cross spacing slide block 3, horizontal shock insulation line slideway
4th, horizontal shock-absorbing extension spring supports 6, layering dividing plate 7, longitudinal spacing slide block 8 vertical along lower floor's longitudinal direction shock insulation line slideway 9 as entirety
To slip；Longitudinal Tension spring for shock absorption supports 10, longitudinal Tension spring for shock absorption 11 with bolts with longitudinal shock insulation line slideway 9 and ground
Two ends support respectively 10, layering dividing plate 7 to be hinged with longitudinal Tension spring for shock absorption, moment of flexure are not transmitted between being hinged, only transmission axle power.
Described high soft equipment 1 is more than 8 structure and equipment, including the industrial alcohol of steel thin cylinder form for slenderness ratio
Stove, rocket, guided missile.
Support in horizontal shock-absorbing extension spring and horizontal shock-absorbing extension spring (5) is set between 6 and layering dividing plate 7, in longitudinal Tension spring for shock absorption
Support and longitudinal Tension spring for shock absorption 11 is set between 10 and layering dividing plate 7；The straight line for meeting requirement is selected to lead according to the displacement a of Seismic Isolation of Isolation Layer
Rail length L, determine position limiting slide block and line slideway edge apart from S, make a≤S, it is to avoid position limiting slide block skids off guide rail；Damping
The length of extension spring selects L/2, is stretched to after L length and is installed, and makes high soft equipment 1 automatically reset to provide restoring force；
According to cycle T, the mass M of high soft equipment 1 after shock insulation, by K=M/T2Determine the stiffness K of Tension spring for shock absorption.
The mechanical snap for being connected by cross sectional shape between cross spacing slide block 4, longitudinal spacing slide block 8 and guide rail is connecting
Connect, the rubbing surface of slide block and guide rail is processing smooth, and precision is micron order, coating lubricating oil or tetrafluoroethene on contact surface,
Its coefficient of friction is set to ensure between one thousandth to 5/1000ths, to ensure that the high soft equipment 1 in top can be along slide.
Horizontal shock-absorbing extension spring 5, longitudinal Tension spring for shock absorption 11, horizontal shock insulation line slideway 4, longitudinal shock insulation line slideway 9 are received
Power has the clearly division of labor, horizontal shock insulation line slideway 4, longitudinal shock insulation line slideway 9 be solely subjected to the vertical load of superstructure and
Resistance to tension, anti-torsion ability, resistance to capsizing are provided；Horizontal shock-absorbing extension spring 5, longitudinal Tension spring for shock absorption 11 provide only horizontal direction
Rigidity, in geological process, make high soft equipment 1 automatically reset；Being required according to the shock insulation of high soft equipment 1 can be horizontal by adjusting
Carry out the rigidity of control structure to Tension spring for shock absorption 5, the rigidity of longitudinal Tension spring for shock absorption 11 and length, so as to reach expected shock insulation week
Phase.
Compared with prior art, it is an advantage of the invention that：
（1）In earthquake, for high-level structure, high soft equipment, the combined isolation device is compared traditional shock isolating pedestal and is led to
Crossing the mechanical snap in the section of position limiting slide block and line slideway can provide bigger resistance to tension, anti-torsion ability, antidumping energy
Power.
（2）Under normal usage, the combined isolation device compares traditional shock isolating pedestal by line slideway to hold
There is bigger vertical bearing capacity by vertical load.
（3）Under normal usage, the combined isolation device compares traditional shock isolating pedestal, and the stress of each component has
The clearly division of labor, line slideway is solely subjected to the vertical load of superstructure and provides resistance to tension, anti-torsion ability, antidumping energy
Power, Tension spring for shock absorption provides only the rigidity of horizontal direction.This combined isolation device is not only able to make full use of the material of each component
Material performance, and overcome that rubber support resistance to tension is weak and the weak shortcoming of vertical bearing capacity.
（4）When instructing across design, diameter, material, the line footpath of spring of adjustment spring, the number of turns of spring can be passed through
To adjust the rigidity of Tension spring for shock absorption, so as to adjusting the rigidity of high-level structure, high soft equipment, this compares traditional shock isolating pedestal has
Bigger stiffness equivalent scope, becomes apparent to the cycle stretch-out of high-level structure, high soft equipment, and the scope that shock insulation is required is bigger, every
Shake effect is more notable.
（5）When earthquake occurs, Tension spring for shock absorption provides the horizontal rigidity of superstructure can make structure automatically reset, while
Limit levels displacement can be played a part of to superstructure, in big shake, structure or equipment base can be avoided to occur big
Displacement bump against with foundation pit walls so as to cause structure to skid off guide rail and structure.
（6）After earthquake, it is only necessary to change line slideway and Tension spring for shock absorption is capable of achieving the reinforcing and maintenance of structure.
（7）Material therefor is with low cost, and simple structure, isolating affection is good.
Description of the drawings
Accompanying drawing 1 is the sectional view of the Section A-A of combined isolation device.
Accompanying drawing 2 is the sectional view of the section B-B of combined isolation device
Accompanying drawing 3 is the C-C cross-sectional views of rigid support pedestal in combined isolation device
Accompanying drawing 4 is horizontal shock insulation line slideway in combined isolation device, cross spacing slide block horizontal layout schematic diagram（D-D
Cross-sectional view）.
Accompanying drawing 5 is horizontal shock insulation line slideway in combined isolation device, layering dividing plate, horizontal shock-absorbing extension spring, horizontal shock-absorbing
Extension spring supporting plane arranges schematic diagram（E-E cross-sectional views）.
Accompanying drawing 6 is longitudinal shock insulation line slideway in combined isolation device, longitudinal spacing slide block, longitudinal Tension spring for shock absorption, layering
Dividing plate, longitudinal Tension spring for shock absorption supporting plane arrangement schematic diagram（F-F cross-sectional views）.
Accompanying drawing 7 is vertical, horizontal shock insulation line slideway in combined isolation device, position limiting slide block profile construction schematic diagram.
Accompanying drawing 8 is vertical, horizontal shock insulation line slideway in combined isolation device, position limiting slide block, layering dividing plate three-dimensional side view.
In figure：
1-high soft equipment, 2-rigid support pedestal, 3-cross spacing slide block, 4-horizontal shock insulation line slideway, 5-horizontal
To Tension spring for shock absorption, the extension spring of 6-horizontal shock-absorbing is supported, 7-layering dividing plate, 8-longitudinal spacing slide block, and 9-longitudinal shock insulation straight line is led
Rail, 10-longitudinal Tension spring for shock absorption is supported, 11-longitudinal Tension spring for shock absorption
Specific embodiment
The preferred forms of the present invention are described in detail below in conjunction with technical scheme and accompanying drawing：
It is as follows for the technical requirements of overall earthquake isolating equipment：
Determine the sectional dimension of rigid support pedestal 2 according to the load of the high soft equipment 1 in top first so as to there can be foot
Enough big bearing capacitys, and using knockdown steel construction so as to there is sufficiently large rigidity, improve rigid support pedestal itself
The natural frequency of vibration（30-50HZ）, away from the frequency of the high soft equipment in top（0.1-2HZ）, so as to reduce, pedestal is soft to top height to be set
Standby 1 impact.
The horizontal shock insulation straight line in bottom is determined according to the high soft load of equipment 1 in top and the deadweight sum of rigid support pedestal 2
Guide rail 4, the bottom longitudinal direction shock insulation line slideway 9, sectional dimension of layering dividing plate 7, and cross spacing slide block 3 and longitudinal spacing cunning
The quantity of block 8 so as to have enough bearing capacitys, the longitudinal shock insulation line slideway 9 of horizontal shock insulation line slideway 4 and bottom adopts work
Shaped steel；The longitudinal shock insulation line slideway 9 in bottom is located at the lower floor of guide rail, in order to more stably support the horizontal shock insulation straight line on upper strata
Guide rail 4, using the rail of the I-steel of six groups of combining forms, every group of rail is made up of two line slideways；In order that top is high
Soft equipment 1 can be moved along multiple directions, and horizontal shock insulation line slideway 4, longitudinal shock insulation line slideway 9 are distinguished into vertically two-layer
Arrangement, the high soft equipment 1 in top, rigid support pedestal 2, cross spacing slide block 3, horizontal shock-absorbing extension spring support 6 as it is overall can be with
Along upper strata, horizontal shock insulation line slideway 4 slides laterally；The high soft equipment 1 in top, rigid support pedestal 2, cross spacing slide block 3, horizontal stroke
To shock insulation line slideway 4, horizontal shock-absorbing extension spring support 6, layering dividing plate 7, longitudinal spacing slide block 8 as entirety along lower floor longitudinal direction every
The shake longitudinal sliding motion of line slideway 9；Cross sectional shape is connected by between cross spacing slide block 4, longitudinal spacing slide block 8 and guide rail
Mechanical snap connecting, the rubbing surface of slide block and guide rail plus man-hour it is as far as possible smooth, precision must reach micron order, on contact surface
Coating lubricating oil or tetrafluoroethene so as to which coefficient of friction ensures between one thousandth to 5/1000ths, to ensure that top is high
Soft equipment 1 can be along slide.
The isolating affection for reaching as needed, from rigidity, the horizontal shock-absorbing extension spring 5 of suitable length and longitudinal Tension spring for shock absorption
11, to provide the high horizontal rigidity of soft equipment 1 and the displacement stroke of control structure and to make the high soft equipment in top（1）In earthquake
When automatically reset；According to the displacement (a) of Seismic Isolation of Isolation Layer select meet require line slideway length (L), determine position limiting slide block and
The distance (S) at line slideway edge, makes a≤S, it is to avoid position limiting slide block skids off guide rail；The length of Tension spring for shock absorption selects L/2, by it
It is stretched to after L length and installs, makes high soft equipment 1 automatically reset so that restoring force can be provided；According to the week of high soft equipment 1 after shock insulation
Phase T, mass M, by K=M/T2Determine the rigidity of Tension spring for shock absorption.
When being embodied as, the section of rigid support pedestal 2 is determined according to the load of the high soft equipment 1 in top and deadweight first
Size；Bottom longitudinal direction shock insulation straight line is determined according to the load of the high soft equipment 1 in top and the gravity load sum of rigid shock isolation pedestal 2
The horizontal shock insulation line slideway 4 of guide rail 9, bottom, cross spacing slide block 3, the sectional dimension of longitudinal spacing slide block 8 and quantity, layering
The size of dividing plate 7；The isolating affection for reaching as needed, selection can provide the suitable horizontal shock-absorbing extension spring of horizontal rigidity of structure
5th, longitudinal Tension spring for shock absorption 11；According to the displacement of Seismic Isolation of Isolation Layer, Edge Distance of the position limiting slide block from line slideway is determined, it is to avoid spacing
Slide block skids off line slideway.
Choose and start after prefabricated suitable sectional dimension component to install whole earthquake isolating equipment, erection sequence be from lower and
On.First, arrange that longitudinal shock insulation line slideway 9 and longitudinal Tension spring for shock absorption support 10, line slideway adopts i shaped steel, if needed
When meeting the requirement and stability in the large requirement of bearing capacity, the combinative structure of i shaped steel can be adopted, bottom longitudinal direction shock insulation is straight
The lower flange of line guide rail 9 is bolted with basis, the mechanical snap that top flange passes through cross sectional shape with longitudinal spacing slide block 8
To connect, top flange can be indulged to reduce friction with the contact surface of longitudinal spacing slide block with coating lubricating oil or tetrafluoroethene
10 are supported to be bolted with basis to Tension spring for shock absorption；Longitudinal spacing slide block 8 is bolted with layering dividing plate, longitudinally subtracts
Shake extension spring 11 two ends support respectively 10, layering dividing plate 7 to be hinged with longitudinal Tension spring for shock absorption；Under the horizontal shock insulation line slideway 4 in bottom
The edge of a wing is bolted with layering dividing plate 7, and top flange is connected with cross spacing slide block 3 by the mechanical snap of cross sectional shape
Connect, top flange can be with coating lubricating oil or tetrafluoroethene in order to reduce friction with the contact surface of cross spacing slide block 3；Laterally limit
Position slide block 3 and rigid support pedestal 2 are bolted；The two ends of horizontal shock-absorbing extension spring 5 support respectively with horizontal shock-absorbing extension spring
6th, the top flange for being layered dividing plate 4 is hinged；The soft equipment of upper floor height just connects with rigid support pedestal.Tool is completed after above-mentioned component assembling
There are tension, the torsion proof combined isolation device of runback bit function.
Claims (5)
1. a kind of tension with runback bit function, torsion proof combined isolation device, including high soft equipment (1), rigid support
Pedestal (2), cross spacing slide block (3), horizontal shock insulation line slideway (4), horizontal shock-absorbing extension spring (5), horizontal shock-absorbing extension spring are supported
(6) dividing plate (7), longitudinal spacing slide block (8), longitudinal shock insulation line slideway (9), longitudinal Tension spring for shock absorption support (10), longitudinal direction, are layered
Tension spring for shock absorption (11)；It is characterized in that：The shock isolating pedestal that the combined isolation device is constituted using two-way I shape line slideway；Will
The prefabricated horizontal shock insulation line slideway (4) of processing, longitudinal shock insulation line slideway (9) vertically two-layer arrangement, two-layer guide rail it
Between arrange layering dividing plate (7), layering dividing plate (7) top and horizontal shock insulation line slideway (4) connection, layering dividing plate (7) bottom and
Longitudinal spacing slide block (8) connects, and cross spacing slide block is arranged between rigid support pedestal (2) and horizontal shock insulation line slideway (4)
(3)；Horizontal shock-absorbing extension spring is supported and arrange between (6) and layering dividing plate (7) horizontal shock-absorbing extension spring (5), and longitudinal Tension spring for shock absorption is supported
(10) longitudinal Tension spring for shock absorption (11) is set and layering dividing plate (7) between；The top-down connected mode of component is：High soft equipment
(1) and rigid support pedestal (2) is with being welded to connect, Transfer of Shear and curved between high soft equipment (1) and rigid support pedestal (2)
Square；Rigid support pedestal (2) and cross spacing slide block (3) are with bolts, rigid shock isolation pedestal (2) and cross spacing slide block
(3) Transfer of Shear and moment of flexure between；Cross spacing slide block (3) and horizontal shock insulation line slideway (4) are engaged, cross spacing slide block
(3) shearing and moment of flexure of longitudinal direction are transmitted and horizontal shock insulation line slideway (4) between, but does not transmit horizontal shearing and moment of flexure；Just
Property supporting platform seat (2) and horizontal shock-absorbing extension spring support (6) between weld；High soft equipment (1), laterally rigid support pedestal (2), limit
Position slide block (3), horizontal shock-absorbing extension spring support (6) as it is overall can be along sliding laterally positioned at the horizontal shock insulation line slideway (4) in upper strata；
Laterally shock insulation line slideway (4) and layering dividing plate (7) are with bolts, and horizontal shock-absorbing extension spring (5) two ends subtract respectively and laterally
Shake extension spring supports (6), layering dividing plate (7) to be hinged, and moment of flexure is not transmitted between being hinged, only transmission axle power；It is layered dividing plate (7) and indulges
With bolts to position limiting slide block (8), longitudinal spacing slide block (8) and longitudinal shock insulation line slideway (9) are engaged, longitudinal spacing
Transmit the shearing and moment of flexure of longitudinal direction between slide block (8) and longitudinal shock insulation line slideway (9), but do not transmit horizontal shearing and curved
Square；High soft equipment (1), rigid support pedestal (2), cross spacing slide block (3), horizontal shock insulation line slideway (4), horizontal shock-absorbing draw
Spring supports (6), layering dividing plate (7), longitudinal spacing slide block (8) as overall longitudinally sliding along lower floor longitudinal direction shock insulation line slideway (9)
It is dynamic；Longitudinal Tension spring for shock absorption supports (10) with bolts with longitudinal shock insulation line slideway (9) and ground, longitudinal Tension spring for shock absorption
(11) two ends support (10), layering dividing plate (7) to be hinged with longitudinal Tension spring for shock absorption respectively, and moment of flexure is not transmitted between being hinged, and only transmit
Axle power.
2. a kind of tension with runback bit function according to claim 1, torsion proof combined isolation device, its feature
It is：Described high soft equipment (1) is slenderness ratio more than 8 and for the industrial alcohol stove of steel thin cylinder form, rocket or guided missile.
3. a kind of tension with runback bit function according to claim 1, torsion proof combined isolation device, its feature
It is：Support in horizontal shock-absorbing extension spring and arrange between (6) and layering dividing plate (7) horizontal shock-absorbing extension spring (5), in longitudinal Tension spring for shock absorption
Support and arrange between (10) and layering dividing plate (7) longitudinal Tension spring for shock absorption (11)；Selected to meet what is required according to the displacement a of Seismic Isolation of Isolation Layer
Line slideway length L, determine position limiting slide block and line slideway edge apart from S, make a≤S, it is to avoid position limiting slide block is skidded off leads
Rail；The length of Tension spring for shock absorption selects L/2, is stretched to after L length and is installed, and to provide restoring force high soft equipment is made（1）
Automatically reset；According to high soft equipment after shock insulation（1）Cycle T, mass M, by K=M/T2Determine the stiffness K of Tension spring for shock absorption.
4. a kind of tension with runback bit function according to claim 1, torsion proof combined isolation device, its feature
It is：Cross spacing slide block (3), longitudinal spacing slide block (8) are connected by mechanical snap connection and guide rail between, slide block and lead
The processing of the rubbing surface of rail is smooth, and precision is micron order, coating lubricating oil or tetrafluoroethene on contact surface so as to coefficient of friction
Ensure between one thousandth to 5/1000ths, to ensure that high soft equipment (1) can be along slide.
5. a kind of tension with runback bit function according to claim 1, torsion proof combined isolation device, its feature
It is：Horizontal shock-absorbing extension spring (5), longitudinal Tension spring for shock absorption (11), horizontal shock insulation line slideway (4), longitudinal shock insulation line slideway (9)
Stress have the clearly division of labor, horizontal shock insulation line slideway (4), longitudinal shock insulation line slideway (9) are solely subjected to the perpendicular of superstructure
To load and offer resistance to tension, anti-torsion ability, resistance to capsizing；Horizontal shock-absorbing extension spring (5), longitudinal Tension spring for shock absorption (11) are only
The rigidity of horizontal direction is provided, in geological process, makes high soft equipment (1) automatically reset；Will according to the shock insulation of high soft equipment (1)
Ask can by adjusting horizontal shock-absorbing extension spring (5), the rigidity of longitudinal Tension spring for shock absorption (11) and length come the rigidity of control structure, from
And reach the expected shock insulation cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112469.4A CN104032846B (en) | 2014-03-25 | 2014-03-25 | Tension resisting and twisting resisting combined shock isolation device with self-restoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112469.4A CN104032846B (en) | 2014-03-25 | 2014-03-25 | Tension resisting and twisting resisting combined shock isolation device with self-restoring function |
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| Publication Number | Publication Date |
|---|---|
| CN104032846A CN104032846A (en) | 2014-09-10 |
| CN104032846B true CN104032846B (en) | 2017-05-10 |
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| CN201410112469.4A Expired - Fee Related CN104032846B (en) | 2014-03-25 | 2014-03-25 | Tension resisting and twisting resisting combined shock isolation device with self-restoring function |
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|---|---|---|---|---|
| CN104631643B (en) * | 2014-12-24 | 2017-02-22 | 北京工业大学 | Guide rail and V-shaped cable wire combination anti-drawing and limiting seismic isolation device |
| CN105544765B (en) * | 2016-01-26 | 2017-09-29 | 广州大学 | A kind of bidirectional sliding rail support carriers suitable for mass tuning control system |
| CN108867883A (en) * | 2018-07-27 | 2018-11-23 | 佛山科学技术学院 | A kind of three-dimensional isolation structure of bilayer shock insulation |
| CN109780114A (en) * | 2019-01-18 | 2019-05-21 | 上海材料研究所 | A kind of adaptive horizontal direction eddy current tuned mass damper |
| CN112982711A (en) * | 2021-03-04 | 2021-06-18 | 上海市建筑科学研究院有限公司 | Three-dimensional shock insulation/vibration isolation support |
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| CN201730196U (en) * | 2010-07-16 | 2011-02-02 | 青岛理工大学 | Ball disc spring vibration isolation device |
| CN102660999A (en) * | 2012-05-06 | 2012-09-12 | 上海路博橡胶减振器技术有限公司 | Tensile shock insulating support seat with self resetting function |
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