CN110186635A - A kind of adjustable centrifuge test model box for vibrating table of dynamic characteristics - Google Patents
A kind of adjustable centrifuge test model box for vibrating table of dynamic characteristics Download PDFInfo
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- CN110186635A CN110186635A CN201910563294.1A CN201910563294A CN110186635A CN 110186635 A CN110186635 A CN 110186635A CN 201910563294 A CN201910563294 A CN 201910563294A CN 110186635 A CN110186635 A CN 110186635A
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- external rigidity
- dynamic characteristics
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 239000002131 composite material Substances 0.000 claims abstract description 58
- 238000009434 installation Methods 0.000 claims description 11
- 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 2
- 239000002689 soil Substances 0.000 abstract description 28
- 238000013016 damping Methods 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 54
- 238000013461 design Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 238000005119 centrifugation Methods 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The embodiment of the invention discloses a kind of adjustable centrifuge test model box for vibrating table of dynamic characteristics, including bottom plate, external rigidity bracket, internal composite frame, roller bearing band and hydraulic damper with adjustable, wherein, the inside composite frame of multilayer mounted on top together is provided on bottom plate on vertical direction, two sides inside adjacent two layers between composite frame along its length are provided with groove, roller bearing band is provided in groove, make composite frame free movement along its length inside adjacent two layers by roller bearing band, more internal composite frame is respectively arranged with external rigidity bracket on the outside of both ends along its length, and the lower end of external rigidity bracket is arranged on bottom plate, the end of every layer of internal composite frame in the width direction passes through hydraulic damper with adjustable and connect with external rigidity bracket.The present invention has and can set the parameters such as matched model casing spring rate, damping for different test soil layer situations, its dynamic characteristics is made to match with test soil layer.
Description
Technical field
The present embodiments relate to cabinet technical fields, and in particular to a kind of adjustable centrifugation making machine vibration table examination of dynamic characteristics
Test model casing.
Background technique
Centrifuge shaketalle test technology is the generally acknowledged most effective geotechnical engineering seismic physical of domestic and international geotechnical engineering circle
One of modelling technique.It is centrifuged making machine vibration table combination geotechnical centrifuge equipment and shake table, in geotechnical centrifuge operation process
In controllable vibration can be generated to model, and then the earthquake for simulating soil layer and structures in nature on rigid rock is anti-
It answers, carries out the experimental study under the Centrifugal vibrations combinational environment such as geotechnical engineering quake evaluation and the evaluation of earthquake vulnerability degree.
Centrifuge test model box for vibrating table is when carrying out centrifuge shaking table model to hold soil layer and construct
Object model, receiving and the device for transmitting excited vibration are one of the key devices for carrying out centrifuge shaking table model.Due to
Shearing wave is stronger to the destructive power of soil layer and building, and emphasis consideration is cut in common engineering design and related physical simulation test
Cut wave.In actual seismic, soil layer is being laterally that boundary, shearing wave are not passed to upper overburden layer bottom by rigid rock, into
And the vertical propagation from bottom to top inside soil layer.
In centrifuge shaking table model, model casing bottom plate is closely connected with centrifuge vibration table surface by bolt
It connects, the horizontal vibration of centrifuge vibration table surface can drive model casing bottom plate to do corresponding vibration, and then drive model soil layer bottom
Horizontal vibration.And during shearing wave bottom-up vertical propagation, the inevitably shadow by model casing lateral boundaries
It rings, if the dynamic characteristics of model casing and soil layer model mismatches, will lead to test result distortion.And the dynamic characteristics of soil layer by
The influence of the properties such as earth material type, soil thickness, grain composition, compaction rate, degree of saturation, and answered with by seismic cut
Become horizontal related, dynamic characteristics is multifarious.The fixed centrifuge test model box for vibrating table of dynamic characteristics will be difficult to be applicable in
In different soil layer situations, the adjustable model casing of dynamic characteristics is extremely necessary.
Currently, there is a kind of guide tracked stratified model case in the market, this kind of model casing is usually by bottom plate, several layers of hollow frame
The components such as frame, roller bearing band, cover board, constraining rod, lifting lug composition.Bottom plate is equipped with mounting hole, can be with centrifugation machine vibration by bolt
Platform table top is closely connected to receive field wave.Several layers of hollow frame of overlapping are seated on bottom plate, adjacent two layers length direction
Between be equipped with groove, in groove install roller bearing band to reduce interlayer frictional resistance, make model casing can free movement along its length.
Cover board is equipped with outwardly projecting eaves formula structure, which is provided with oblong aperture.Constraining rod bottom end is mounted on bottom plate, and top passes through lid
The oblong aperture of plate, connects lifting lug thereon.The roller bearing in vertical bar outer cover, roller bearing are fitted closely with model casing outer surface, with
The lateral movement of its width direction is constrained in the case where not increasing length direction resistance.Each component rigidity of this kind of model casing can not
It adjusts, the rigidity of model casing, damping are definite value, and the dynamic parameters such as natural frequency of vibration are fixed.And the power of soil layer is special
Property is influenced by properties such as earth material type, soil thickness, grain composition, compaction rate, degree of saturation, and with by seismic
Shearing strain is horizontal related, and dynamic characteristics is multifarious.Therefore, guide tracked stratified model case is generally only applicable to specific soil layer
Situation, and it is not applicable to other soil layer situations.
In addition, there is also a kind of rubber belt type stratified model casees in the market, this kind of model casing is usually by bottom plate, several layers of mouth word
The components such as type frame, rubber strip, cover board, constraining rod, lifting lug composition.Bottom plate is equipped with mounting hole, can be with centrifuge by bolt
Vibration table surface is closely connected to receive field wave.Several layers of hollow frame of overlapping are seated on bottom plate, are inlayed between adjacent two layers
Embedding rubber layer makes its natural frequency of vibration close to the natural frequency of vibration of soil layer to control its lateral rigidity.Each component rigidity of this kind of model casing
Non-adjustable, the rigidity of model casing, damping are definite value, and the dynamic parameters such as natural frequency of vibration are fixed.And soil layer
Dynamic characteristics is influenced by properties such as earth material type, soil thickness, grain composition, compaction rate, degree of saturation, and with by earthquake
Caused shearing strain is horizontal related, and dynamic characteristics is multifarious.Therefore, guide tracked stratified model case is generally only applicable to specific
Soil layer situation, and it is not applicable to other soil layer situations.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of adjustable centrifuge test model box for vibrating table of dynamic characteristics, to solve
Problems of the prior art.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
According to a first aspect of the embodiments of the present invention, the embodiment of the present invention provides a kind of adjustable centrifuge vibration of dynamic characteristics
Dynamic platform test model case, including bottom plate, external rigidity bracket, internal composite frame, roller bearing band and hydraulic damper with adjustable,
In, the internal composite frame of multilayer mounted on top together is provided on the bottom plate on vertical direction, in adjacent two layers
Two sides between portion's composite frame along its length are provided with groove, and roller bearing band is provided in the groove, pass through the rolling
Axis band makes composite frame free movement along its length inside adjacent two layers, the both ends of more internal composite frame along its length
Outside is respectively arranged with the external rigidity bracket, and the lower end of the external rigidity bracket is arranged on the bottom plate, and every layer
The end of the internal composite frame in the width direction is connected by the hydraulic damper with adjustable and the external rigidity bracket
It connects.
Optionally, the two sides between internal composite frame bracket described in adjacent two layers along its length are respectively provided with that there are two institutes
State groove.
Optionally, the external rigidity pedestal lower end is provided with mounting portion, and the external rigidity bracket passes through the installation
Portion is arranged on the bottom plate and is located at the outside of more internal composite frame end in the width direction.
Optionally, the external rigidity bracket is vertically arranged on the bottom plate, the mounting portion and the external rigidity
Support vertical setting, and the mounting portion is horizontally set on the bottom plate and is fixed by the first installation bolt with the bottom plate
Connection.
Optionally, the mounting portion is integrally formed with the external rigidity bracket, the width of the mounting portion with it is described
External rigidity bracket it is of same size, and the one end of the mounting portion far from the external rigidity bracket is installed by described first
Bolt is fixedly connected with the bottom plate.
Optionally, there are two being respectively set on the outside of the left end of more internal composite frame in the width direction and on the outside of right end
The external rigidity bracket, it is folded with every layer of inside that each external rigidity bracket passes through the hydraulic damper with adjustable
Frame is closed to be fixedly connected.
Optionally, one end of the hydraulic damper with adjustable is fixed by the second installation bolt with the external rigidity bracket
Connection, the other end of the hydraulic damper with adjustable is provided with damper end, and the damper end is installed by third
Bolt is fixedly connected with the lateral wall of described every layer internal composite frame in the width direction.
Optionally, one end of the mounting portion is located on the bottom plate, and the other end of the mounting portion is located at the bottom
The outside of plate end in the width direction.
Optionally, the structure of more internal composite frame is all the same, and the length of the bottom plate is greater than every layer of internal laminated frame
The length of frame, and the width of the bottom plate is greater than the width of every layer of internal composite frame.
Inventive embodiments have the advantages that a kind of adjustable centrifugation machine vibration of dynamic characteristics provided in an embodiment of the present invention
Platform test model case comprising bottom plate, external rigidity bracket, internal composite frame, roller bearing band and hydraulic damper with adjustable,
In, the internal composite frame of multilayer mounted on top together is provided on the bottom plate on vertical direction, in adjacent two layers
Two sides between portion's composite frame along its length are provided with groove, and roller bearing band is provided in the groove, pass through the rolling
Axis band makes composite frame free movement along its length inside adjacent two layers, the both ends of more internal composite frame along its length
Outside is respectively arranged with the external rigidity bracket, and the lower end of the external rigidity bracket is arranged on the bottom plate, and every layer
The end of the internal composite frame in the width direction is connected by the hydraulic damper with adjustable and the external rigidity bracket
It connects；The present invention can set the parameters such as matched model casing spring rate, damping for different test soil layer situations, make
Its dynamic characteristics matches with test soil layer, solves the problems, such as that original model casing is only applicable to specific soil layer situation.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Fig. 1 is a kind of solid of the adjustable centrifuge test model box for vibrating table of dynamic characteristics provided in an embodiment of the present invention
Structural schematic diagram.
Fig. 2 is a kind of main view of the adjustable centrifuge test model box for vibrating table of dynamic characteristics provided in an embodiment of the present invention
Structural schematic diagram.
Fig. 3 is a kind of left view of the adjustable centrifuge test model box for vibrating table of dynamic characteristics provided in an embodiment of the present invention
Structural schematic diagram.
Fig. 4 is a kind of vertical view of the adjustable centrifuge test model box for vibrating table of dynamic characteristics provided in an embodiment of the present invention
Structural schematic diagram.
Fig. 5 is the enlarged structure schematic diagram of location A in Fig. 2.
In figure: 1, internal composite frame；2, external rigidity bracket；3, bottom plate；4, roller bearing band；5, hydraulic damper with adjustable；
6, damper end；7, the first installation bolt；8, spring；9, the second installation bolt；10, third installs bolt；11, mounting portion.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It as shown in Figures 1 to 5, is a kind of adjustable centrifuge shaketalle test of dynamic characteristics provided in an embodiment of the present invention
Model casing, including bottom plate 3, external rigidity bracket 2, internal composite frame 1, roller bearing band 4 and hydraulic damper with adjustable 5, wherein
The internal composite frame 1 of multilayer mounted on top together is provided on the bottom plate 3 on vertical direction, inside adjacent two layers
Two sides between composite frame 1 along its length are provided with groove (not shown), and roller bearing band is provided in the groove
4, the free movement along its length of composite frame 1 inside adjacent two layers, more internal composite frame 1 are made by the roller bearing band 4
The external rigidity bracket 2, and the lower end setting of the external rigidity bracket 2 are respectively arranged on the outside of both ends along its length
On the bottom plate 3, the end of every layer of internal composite frame 1 in the width direction passes through the hydraulic damper with adjustable 5
It is connect with the external rigidity bracket 2.
The adjustable centrifuge test model box for vibrating table of a kind of dynamic characteristics provided in an embodiment of the present invention, adjacent two layers institute
It states the two sides between internal composite frame bracket 1 along its length to be respectively provided with there are two the groove, while being arranged in a groove
Roller bearing band 4.By the design, i.e. front side inside adjacent two layers between composite frame 1 along its length and rear side is respectively provided with
Two grooves, and roller bearing band 4 is provided in the groove, so as to so that two layers adjacent of inside composite frame along its length
It is steady free to slide, to reduce the frictional force or resistance inside adjacent two layers between composite frame 1, and then reach the present invention
The adjustable centrifuge test model box for vibrating table of dynamic characteristics (abbreviation model casing) can free movement along its length.
The adjustable centrifuge test model box for vibrating table of a kind of dynamic characteristics provided in an embodiment of the present invention, the outside are rigid
Property 2 lower end of bracket be provided with mounting portion 11, the external rigidity bracket 2 is arranged on the bottom plate 3 by the mounting portion 11
And it is located at the outside of more internal composite frame end in the width direction.By above-mentioned design, the external rigidity bracket 2 can be consolidated
On the bottom plate 3, security reliability obtains a degree of promotion for fixed setting, and promotes the use longevity of the model casing in turn
Life.
The adjustable centrifuge test model box for vibrating table of a kind of dynamic characteristics provided in an embodiment of the present invention, the outside are rigid
Property bracket 2 is vertically arranged on the bottom plate 3, and the mounting portion 11 is vertically arranged with the external rigidity bracket 2, and the peace
Dress portion 11 is horizontally set on the bottom plate 3 and is fixedly connected by the first installation bolt 10 with the bottom plate 3.It is set by above-mentioned
Meter, facilitates the assembling and the maintenance in later period between the mounting portion 11 and bottom plate 3, while mounting portion 11 and bottom plate 3 can be improved
In conjunction with fastness, and then promoted security reliability.
The adjustable centrifuge test model box for vibrating table of a kind of dynamic characteristics provided in an embodiment of the present invention, the mounting portion
11 are integrally formed with the external rigidity bracket 2, the width phase of the width of the mounting portion 11 and the external rigidity bracket 2
Together, and the one end of the mounting portion 11 far from the external rigidity bracket 2 passes through the first installation bolt 10 and the bottom plate 3
It is fixedly connected.By above-mentioned design, i.e., by the way that the mounting portion 11 and the external rigidity bracket 2 design are integrally formed,
And then increase the intensity between external rigidity bracket 2 and mounting portion 11, connect between external rigidity bracket 2 and bottom plate 3 to improve
The fastness connect.
The adjustable centrifuge test model box for vibrating table of a kind of dynamic characteristics provided in an embodiment of the present invention, more internal are folded
The external rigidity bracket 2, Mei Gesuo there are two being respectively set on the outside of the left end of conjunction frame 1 in the width direction and on the outside of right end
External rigidity bracket 2 is stated to be fixedly connected by a hydraulic damper with adjustable 5 with every layer of internal composite frame 1.Pass through
Above-mentioned design, the i.e. left end of more internal composite frame 1 and right end are respectively arranged with 2 external rigidity brackets 2, and every layer of inside
Composite frame passes through hydraulic damper with adjustable and connect with each external rigidity bracket.
The adjustable centrifuge test model box for vibrating table of a kind of dynamic characteristics provided in an embodiment of the present invention, the adjustable liquid
One end of pressure damper 5 is fixedly connected by the second installation bolt 9 with the external rigidity bracket 2, the adjustable hydraulic damping
The other end of device 5 is provided with damper end 6, and bolt 7 and every layer of inside are installed by third in the damper end 6
The lateral wall of composite frame 1 in the width direction is fixedly connected.By the design, the two of the hydraulic damper with adjustable 5 can be made
End is securely connect with every layer of internal composite frame 1 and external rigidity bracket 2 respectively,
The adjustable centrifuge test model box for vibrating table of a kind of dynamic characteristics provided in an embodiment of the present invention, the mounting portion
11 one end is located on the bottom plate 3, and the other end of the mounting portion 11 is located at the outer of the bottom plate 3 end in the width direction
Portion.
The adjustable centrifuge test model box for vibrating table of a kind of dynamic characteristics provided in an embodiment of the present invention, more internal are folded
The structure for closing frame 1 is all the same, the length of greater than the every layer inside composite frame 1 of length of the bottom plate 3, and the bottom plate 3
Width is greater than the width of every layer of internal composite frame 1.By the design, the setting that more internal composite frame 1 can be made stable
On bottom plate 3.
The adjustable centrifuge test model box for vibrating table of a kind of dynamic characteristics provided in an embodiment of the present invention, inside any layer
Composite frame is connected with four hydraulic damper with adjustable.It, can be to model by adjusting spring rate, the damping of hydraulic damper
The features such as the natural frequency of vibration, the vibrational energy decaying of case are adjusted, and make the dynamic characteristics of model casing and moving for internal model with this
Force characteristic matches.For example, when carrying out the sand foundation centrifuge shaking table model of different compactnesss, it can be based on compacting
The influence to soil layer rigidity, damping is spent, spring rate, the damping of hydraulic damper are set separately for different compactnesss, makes mould
The dynamic characteristics of molding box matches with soil layer, to be accurately obtained the seismic response of the sand foundation of different compactnesss.
The adjustable centrifuge test model box for vibrating table of a kind of dynamic characteristics provided in an embodiment of the present invention, bring have
Beneficial effect is as follows: (1) test data is more accurate；(2) test requirements document of different soil structure can be met, be applied to different tests
Occasion reduces experimentation cost.
The adjustable centrifuge test model box for vibrating table of a kind of dynamic characteristics provided in an embodiment of the present invention, can by setting
Hydraulic damper is adjusted, the rigidity inside model casing is adjusted, damps, so that the dynamic characteristics of itself and test model is matched, Jin Ershi
A current model casing carries out the purpose of centrifuge shaking table model for different soil.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (9)
1. a kind of adjustable centrifuge test model box for vibrating table of dynamic characteristics, which is characterized in that including bottom plate, external rigidity branch
Frame, internal composite frame, roller bearing band and hydraulic damper with adjustable, wherein be provided with multilayer on vertical direction on the bottom plate
The internal composite frame of mounted on top together, the two sides inside adjacent two layers between composite frame along its length are all provided with
It is equipped with groove, roller bearing band is provided in the groove, makes adjacent two layers inside composite frame along length side by the roller bearing band
To free movement, more internal composite frame is respectively arranged with the external rigidity bracket on the outside of both ends along its length, and
The lower end of the external rigidity bracket is arranged on the bottom plate, and the end of every layer of internal composite frame in the width direction is equal
It is connect by the hydraulic damper with adjustable with the external rigidity bracket.
2. the adjustable centrifuge test model box for vibrating table of dynamic characteristics according to claim 1, which is characterized in that adjacent
Two sides between two layers of internal composite frame bracket along its length are respectively provided with that there are two the grooves.
3. the adjustable centrifuge test model box for vibrating table of dynamic characteristics according to claim 1, which is characterized in that described
External rigidity pedestal lower end is provided with mounting portion, the external rigidity bracket be arranged on the bottom plate by the mounting portion and
Positioned at the outside of more internal composite frame end in the width direction.
4. the adjustable centrifuge test model box for vibrating table of dynamic characteristics according to claim 3, which is characterized in that described
External rigidity bracket is vertically arranged on the bottom plate, and the mounting portion and the external rigidity support vertical are arranged, and described
Mounting portion is horizontally set on the bottom plate and is fixedly connected by the first installation bolt with the bottom plate.
5. the adjustable centrifuge test model box for vibrating table of dynamic characteristics according to claim 4, which is characterized in that described
Mounting portion is integrally formed with the external rigidity bracket, the width phase of the width of the mounting portion and the external rigidity bracket
Together, and the one end of the mounting portion far from the external rigidity bracket connects by the way that the first installation bolt and the bottom plate are fixed
It connects.
6. the adjustable centrifuge test model box for vibrating table of dynamic characteristics according to claim 1, which is characterized in that multilayer
The external rigidity bracket there are two being respectively set on the outside of the left end of internal composite frame in the width direction and on the outside of right end, often
A external rigidity bracket passes through the hydraulic damper with adjustable and is fixedly connected with every layer of internal composite frame.
7. the adjustable centrifuge test model box for vibrating table of dynamic characteristics according to claim 6, which is characterized in that described
One end of hydraulic damper with adjustable is fixedly connected by the second installation bolt with the external rigidity bracket, the adjustable hydraulic resistance
The other end of Buddhist nun's device is provided with damper end, and the damper end installs bolt by third and every layer of inside is folded
The lateral wall of frame in the width direction is closed to be fixedly connected.
8. the adjustable centrifuge test model box for vibrating table of dynamic characteristics according to claim 5, which is characterized in that described
One end of mounting portion is located on the bottom plate, and the other end of the mounting portion is located at the outer of bottom plate end in the width direction
Portion.
9. the adjustable centrifuge test model box for vibrating table of dynamic characteristics according to claim 1, which is characterized in that multilayer
The structure of internal composite frame is all the same, and the length of the bottom plate is greater than the length of every layer of internal composite frame, and the bottom plate
Width be greater than the width of every layer of internal composite frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910563294.1A CN110186635A (en) | 2019-06-26 | 2019-06-26 | A kind of adjustable centrifuge test model box for vibrating table of dynamic characteristics |
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| CN201910563294.1A CN110186635A (en) | 2019-06-26 | 2019-06-26 | A kind of adjustable centrifuge test model box for vibrating table of dynamic characteristics |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887627A (en) * | 2019-12-04 | 2020-03-17 | 中国海洋石油集团有限公司 | Large-scale LNG storage tank shock attenuation test model |
| CN112781977A (en) * | 2021-01-27 | 2021-05-11 | 武汉理工大学 | Counter force type laminated shearing model box |
| CN112857722A (en) * | 2021-01-21 | 2021-05-28 | 中国电建集团华东勘测设计研究院有限公司 | Variable rigidity, mass and damping vibration table test acceleration amplifying device |
| CN117168742A (en) * | 2023-11-03 | 2023-12-05 | 云南平皓建设检测鉴定有限公司 | Anti-seismic detection device and detection method for house building |
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| CN205826878U (en) * | 2016-07-20 | 2016-12-21 | 西南交通大学 | A kind of simulate the assay device of tunnel seismic response under fault movement |
| CN107782521A (en) * | 2017-02-28 | 2018-03-09 | 浙江大学 | A kind of three-dimensional mobile decoupling periodic structure for shake table model casing |
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